diff --git a/src/game/levels/world10.js b/src/game/levels/world10.js
index c56955d..3f7c7b5 100644
--- a/src/game/levels/world10.js
+++ b/src/game/levels/world10.js
@@ -24,7 +24,14 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 220, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 330, detune: 0 } },
+        ],
+        envelope: { attack: 0.05, decay: 0.3, sustain: 0.4, release: 0.2 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -87,7 +94,14 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 220, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 220, detune: 8 } },
+        ],
+        envelope: { attack: 0.06, decay: 0.35, sustain: 0.35, release: 0.25 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -148,7 +162,16 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 165, detune: 0 } },
+        ],
+        effects: [
+          { type: 'delay', delayTime: 0.035, feedback: 0.15, wet: 0.8 },
+        ],
+        envelope: { attack: 0.08, decay: 0.4, sustain: 0.3, release: 0.3 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -205,7 +228,16 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 262, detune: 0 } },
+        ],
+        effects: [
+          { type: 'reverb', decay: 1.5, wet: 0.4 },
+        ],
+        envelope: { attack: 0.07, decay: 0.4, sustain: 0.35, release: 0.25 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -262,7 +294,16 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 196, detune: 0 } },
+        ],
+        effects: [
+          { type: 'reverb', decay: 4.2, wet: 0.65 },
+        ],
+        envelope: { attack: 0.06, decay: 0.8, sustain: 0.4, release: 0.5 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -317,7 +358,16 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 0 } },
+        ],
+        effects: [
+          { type: 'delay', delayTime: 0.15, feedback: 0.08, wet: 0.75 },
+        ],
+        envelope: { attack: 0.05, decay: 0.35, sustain: 0.4, release: 0.2 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -374,7 +424,19 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 280, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3500, Q: 1.5 },
+        effects: [
+          { type: 'distortion', distortion: 0.45, wet: 0.5 },
+          { type: 'delay', delayTime: 0.3, feedback: 0.35, wet: 0.55 },
+          { type: 'reverb', decay: 2.2, wet: 0.45 },
+        ],
+        envelope: { attack: 0.08, decay: 0.45, sustain: 0.25, release: 0.3 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -442,7 +504,21 @@ export const WORLD_10 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 950, y: 160, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 110, detune: 10 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 4000, Q: 1.3 },
+        lfo: { frequency: 0.6, type: 'sine', min: 2000, max: 5000, target: 'frequency' },
+        effects: [
+          { type: 'delay', delayTime: 0.25, feedback: 0.4, wet: 0.6 },
+          { type: 'reverb', decay: 3, wet: 0.55 },
+        ],
+        envelope: { attack: 0.1, decay: 0.5, sustain: 0.3, release: 0.4 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world11.js b/src/game/levels/world11.js
index ffa7124..321b466 100644
--- a/src/game/levels/world11.js
+++ b/src/game/levels/world11.js
@@ -25,7 +25,15 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'lowpass', frequency: 1500, Q: 9.5 },
+        lfo: { frequency: 1, type: 'sine', min: 600, max: 3500, target: 'frequency' },
+        envelope: { attack: 0.1, decay: 0.4, sustain: 0.3, release: 0.25 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -80,7 +88,14 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 200, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 8, detune: 0 } },
+        ],
+        envelope: { attack: 0.08, decay: 0.35, sustain: 0.35, release: 0.2 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -140,7 +155,21 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 60, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 60, detune: -4 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2500, Q: 0.85 },
+        lfo: [
+          { frequency: 0.3, type: 'sine', min: 1000, max: 4000, target: 'frequency' },
+          { frequency: 0.15, type: 'sine', min: 0.3, max: 0.9, target: 'amplitude' },
+        ],
+        effects: [
+          { type: 'reverb', decay: 5, wet: 0.7 },
+        ],
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -196,7 +225,17 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220, detune: 3 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: -2 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 5 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3500, Q: 1.2 },
+        envelope: { attack: 0.07, decay: 0.4, sustain: 0.35, release: 0.25 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -266,7 +305,15 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 150, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2800, Q: 1.3 },
+        lfo: { frequency: 2.5, type: 'square', min: 0.1, max: 0.95, target: 'amplitude' },
+        envelope: { attack: 0.03, decay: 0.25, sustain: 0.1, release: 0.15 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -319,7 +366,18 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 120, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2000, Q: 1.5 },
+        effects: [
+          { type: 'delay', delayTime: 0.5, feedback: 0.8, wet: 0.9 },
+          { type: 'reverb', decay: 3.5, wet: 0.6 },
+        ],
+        envelope: { attack: 0.1, decay: 1, sustain: 0.4, release: 0.5 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -375,7 +433,18 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 100, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2500, Q: 1.2 },
+        lfo: [
+          { frequency: 0.4, type: 'sine', min: 1.5, max: 6.5, target: 'frequency' },
+          { frequency: 4.5, type: 'sine', min: 1000, max: 4500, target: 'frequency' },
+        ],
+        envelope: { attack: 0.08, decay: 0.4, sustain: 0.3, release: 0.25 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -440,7 +509,26 @@ export const WORLD_11 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 950, y: 160, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 80, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 80, detune: -3 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 7, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2200, Q: 8 },
+        lfo: [
+          { frequency: 0.25, type: 'sine', min: 1000, max: 3500, target: 'frequency' },
+          { frequency: 2, type: 'sine', min: 0.2, max: 0.9, target: 'amplitude' },
+        ],
+        effects: [
+          { type: 'distortion', distortion: 0.4, wet: 0.35 },
+          { type: 'delay', delayTime: 0.4, feedback: 0.65, wet: 0.7 },
+          { type: 'reverb', decay: 3.2, wet: 0.5 },
+        ],
+        envelope: { attack: 0.12, decay: 0.6, sustain: 0.25, release: 0.4 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world12.js b/src/game/levels/world12.js
index 3a96c77..7f34a34 100644
--- a/src/game/levels/world12.js
+++ b/src/game/levels/world12.js
@@ -25,7 +25,19 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55, detune: -5 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1800, Q: 0.9 },
+        lfo: { frequency: 0.2, type: 'sine', min: 800, max: 3200, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 5.5, wet: 0.65 },
+        ],
+        envelope: { attack: 0.01, decay: 2, sustain: 0.8, release: 0.6 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -86,7 +98,16 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 82, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 82, detune: 4 } },
+        ],
+        filter: { type: 'lowpass', frequency: 4500, Q: 1.1 },
+        envelope: { attack: 0.01, decay: 0.18, sustain: 0.05, release: 0.1 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -146,7 +167,18 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 850, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 440, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3800, Q: 3 },
+        lfo: { frequency: 0.5, type: 'sine', min: 2000, max: 5500, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 2.8, wet: 0.45 },
+        ],
+        envelope: { attack: 0.04, decay: 0.5, sustain: 0.5, release: 0.3 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -206,7 +238,19 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 850, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 110, detune: -6 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2500, Q: 0.95 },
+        lfo: { frequency: 0.15, type: 'sine', min: 1200, max: 3800, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 4.5, wet: 0.7 },
+        ],
+        envelope: { attack: 0.15, decay: 1.5, sustain: 0.6, release: 0.5 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -265,7 +309,20 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 850, y: 140, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 130, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 165, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 165, detune: 3 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3000, Q: 1.4 },
+        lfo: { frequency: 0.4, type: 'sine', min: 1500, max: 5000, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 2, wet: 0.35 },
+        ],
+        envelope: { attack: 0.08, decay: 0.6, sustain: 0.4, release: 0.3 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -323,7 +380,22 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 950, y: 160, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 6 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55, detune: -5 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 4 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3500, Q: 1.2 },
+        lfo: { frequency: 0.35, type: 'sine', min: 1500, max: 4500, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 2.5, wet: 0.5 },
+        ],
+        envelope: { attack: 0.1, decay: 0.6, sustain: 0.35, release: 0.4 },
+        duration: 6,
+      },
       checks: [
         {
           star: 1,
@@ -380,7 +452,20 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 850, y: 140, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50, detune: -7 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1500, Q: 0.85 },
+        lfo: { frequency: 0.12, type: 'sine', min: 600, max: 2500, target: 'frequency' },
+        effects: [
+          { type: 'delay', delayTime: 0.6, feedback: 0.5, wet: 0.6 },
+          { type: 'reverb', decay: 6, wet: 0.75 },
+        ],
+        envelope: { attack: 0.05, decay: 1.5, sustain: 0.2, release: 1 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -441,7 +526,27 @@ export const WORLD_12 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 1000, y: 160, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 8 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50, detune: -5 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 4 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: -3 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3800, Q: 1.5 },
+        lfo: [
+          { frequency: 0.3, type: 'sine', min: 1500, max: 4500, target: 'frequency' },
+          { frequency: 0.8, type: 'sine', min: 0.3, max: 0.9, target: 'amplitude' },
+        ],
+        effects: [
+          { type: 'delay', delayTime: 0.35, feedback: 0.45, wet: 0.5 },
+          { type: 'reverb', decay: 3, wet: 0.55 },
+        ],
+        envelope: { attack: 0.1, decay: 0.7, sustain: 0.4, release: 0.5 },
+        duration: 8,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world3.js b/src/game/levels/world3.js
index a026311..29d4af7 100644
--- a/src/game/levels/world3.js
+++ b/src/game/levels/world3.js
@@ -80,7 +80,13 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 400, y: 60, params: { gain: 0 }, locked: false },
         { id: 3, type: 'output', x: 620, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 440 } },
+        ],
+        envelope: { attack: 0.2, decay: 0.15, sustain: 0.6, release: 0.5 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -135,7 +141,13 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 400, y: 60, params: { gain: 0 }, locked: false },
         { id: 3, type: 'output', x: 620, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        envelope: { attack: 0.005, decay: 0.15, sustain: 0, release: 0.1 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -191,7 +203,13 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 400, y: 60, params: { gain: 0 }, locked: false },
         { id: 3, type: 'output', x: 620, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        envelope: { attack: 1.2, decay: 0.3, sustain: 0.75, release: 2.5 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -243,7 +261,14 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 500, y: 60, params: { gain: 0 }, locked: false },
         { id: 3, type: 'output', x: 760, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'triangle', frequency: 440 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3000, Q: 2 },
+        envelope: { attack: 0.008, decay: 0.5, sustain: 0.05, release: 0.2 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -300,7 +325,14 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 520, y: 40, params: { gain: 0 }, locked: false },
         { id: 3, type: 'output', x: 760, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        filter: { type: 'lowpass', frequency: 800, Q: 4 },
+        envelope: { attack: 0.01, decay: 0.3, sustain: 0.4, release: 0.2 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -357,7 +389,13 @@ export const WORLD_3 = {
         { id: 2, type: 'vca', x: 340, y: 60, params: { gain: 0.7 }, locked: false },
         { id: 3, type: 'output', x: 580, y: 80, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        lfo: { frequency: 6, type: 'sine', min: 0.2, max: 1.0, target: 'amplitude' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -408,7 +446,14 @@ export const WORLD_3 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2000, Q: 6 },
+        envelope: { attack: 0.05, decay: 0.3, sustain: 0.5, release: 0.6 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world4.js b/src/game/levels/world4.js
index 47d10d8..b858f48 100644
--- a/src/game/levels/world4.js
+++ b/src/game/levels/world4.js
@@ -25,7 +25,13 @@ export const WORLD_4 = {
         { id: 1, type: 'oscillator', x: 80, y: 80, params: { waveform: 'sine', frequency: 440, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 500, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        lfo: { frequency: 6, type: 'sine', min: 420, max: 460, target: 'frequency' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -74,7 +80,13 @@ export const WORLD_4 = {
         { id: 1, type: 'oscillator', x: 80, y: 80, params: { waveform: 'square', frequency: 440, detune: 0 }, locked: false },
         { id: 2, type: 'output', x: 500, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 440 } },
+        ],
+        lfo: { frequency: 0.3, type: 'sine', min: 200, max: 800, target: 'frequency' },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -124,7 +136,14 @@ export const WORLD_4 = {
         { id: 2, type: 'filter', x: 300, y: 60, params: { type: 'lowpass', frequency: 600, Q: 4 }, locked: false },
         { id: 3, type: 'output', x: 560, y: 80, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110 } },
+        ],
+        filter: { type: 'lowpass', frequency: 800, Q: 5 },
+        lfo: { frequency: 3, type: 'square', min: 400, max: 4000, target: 'frequency' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -178,7 +197,13 @@ export const WORLD_4 = {
         { id: 1, type: 'oscillator', x: 80, y: 80, params: { waveform: 'sine', frequency: 440, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 600, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        lfo: { frequency: 2, type: 'sine', min: 0.3, max: 1.0, target: 'amplitude' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -232,7 +257,14 @@ export const WORLD_4 = {
         { id: 3, type: 'vca', x: 480, y: 40, params: { gain: 0.6 }, locked: false },
         { id: 4, type: 'output', x: 680, y: 60, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1200, Q: 6 },
+        lfo: { frequency: 2.5, type: 'sine', min: 400, max: 3500, target: 'frequency' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -288,7 +320,13 @@ export const WORLD_4 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 600, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 220 } },
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 880 } },
+        ],
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -354,7 +392,15 @@ export const WORLD_4 = {
         { id: 3, type: 'vca', x: 480, y: 40, params: { gain: 0 }, locked: false },
         { id: 4, type: 'output', x: 680, y: 60, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1500, Q: 5 },
+        envelope: { attack: 0.1, decay: 0.3, sustain: 0.5, release: 0.4 },
+        lfo: { frequency: 3, type: 'sine', min: 600, max: 3000, target: 'frequency' },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -418,7 +464,15 @@ export const WORLD_4 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55 } },
+        ],
+        filter: { type: 'lowpass', frequency: 400, Q: 10 },
+        envelope: { attack: 0.02, decay: 0.2, sustain: 0.7, release: 0.3 },
+        lfo: { frequency: 1.5, type: 'sine', min: 200, max: 2000, target: 'frequency' },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world5.js b/src/game/levels/world5.js
index 9046142..a4ebea5 100644
--- a/src/game/levels/world5.js
+++ b/src/game/levels/world5.js
@@ -26,7 +26,15 @@ export const WORLD_5 = {
         { id: 2, type: 'delay', x: 340, y: 80, params: { time: 0.3, feedback: 0.3, mix: 0.5 }, locked: false },
         { id: 3, type: 'output', x: 600, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        effects: [
+          { type: 'delay', time: 0.35, feedback: 0.4, wet: 0.6 },
+        ],
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -77,7 +85,15 @@ export const WORLD_5 = {
         { id: 1, type: 'oscillator', x: 80, y: 80, params: { waveform: 'square', frequency: 330, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 600, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 330 } },
+        ],
+        effects: [
+          { type: 'delay', time: 0.08, feedback: 0.05, wet: 0.5 },
+        ],
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -129,7 +145,15 @@ export const WORLD_5 = {
         { id: 2, type: 'reverb', x: 340, y: 80, params: { decay: 2, mix: 0.4 }, locked: false },
         { id: 3, type: 'output', x: 600, y: 100, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'triangle', frequency: 440 } },
+        ],
+        effects: [
+          { type: 'reverb', decay: 5.5, wet: 0.55 },
+        ],
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -179,7 +203,15 @@ export const WORLD_5 = {
         { id: 1, type: 'oscillator', x: 80, y: 80, params: { waveform: 'sine', frequency: 220, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 600, y: 100, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 2.5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 220 } },
+        ],
+        effects: [
+          { type: 'distortion', amount: 6 },
+        ],
+        duration: 2.5,
+      },
       checks: [
         {
           star: 1,
@@ -229,7 +261,16 @@ export const WORLD_5 = {
         { id: 1, type: 'oscillator', x: 60, y: 80, params: { waveform: 'sawtooth', frequency: 220, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 740, y: 100, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        effects: [
+          { type: 'distortion', amount: 3 },
+          { type: 'delay', time: 0.35, feedback: 0.35, wet: 0.5 },
+        ],
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -289,7 +330,16 @@ export const WORLD_5 = {
         { id: 1, type: 'oscillator', x: 60, y: 80, params: { waveform: 'square', frequency: 330, detune: 0 }, locked: true },
         { id: 2, type: 'output', x: 720, y: 100, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 330 } },
+        ],
+        filter: { type: 'lowpass', frequency: 850, Q: 2 },
+        effects: [
+          { type: 'delay', time: 0.4, feedback: 0.6, wet: 0.6 },
+        ],
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -343,7 +393,16 @@ export const WORLD_5 = {
         { id: 1, type: 'oscillator', x: 60, y: 80, params: { waveform: 'sawtooth', frequency: 220, detune: 0 }, locked: false },
         { id: 2, type: 'output', x: 720, y: 100, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220 } },
+        ],
+        effects: [
+          { type: 'distortion', amount: 5 },
+          { type: 'reverb', decay: 6.5, wet: 0.65 },
+        ],
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -398,7 +457,19 @@ export const WORLD_5 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 110 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1200, Q: 3 },
+        envelope: { attack: 0.5, decay: 0.3, sustain: 0.6, release: 1.5 },
+        lfo: { frequency: 0.5, type: 'sine', min: 400, max: 4000, target: 'frequency' },
+        effects: [
+          { type: 'delay', time: 0.5, feedback: 0.5, wet: 0.5 },
+          { type: 'reverb', decay: 5, wet: 0.6 },
+        ],
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world6.js b/src/game/levels/world6.js
index 20f094c..9160d88 100644
--- a/src/game/levels/world6.js
+++ b/src/game/levels/world6.js
@@ -24,7 +24,13 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55 } },
+        ],
+        envelope: { attack: 0, decay: 0.25, sustain: 0, release: 0.1 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -84,7 +90,14 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'highpass', frequency: 7000, Q: 2 },
+        envelope: { attack: 0, decay: 0.08, sustain: 0, release: 0 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -135,7 +148,15 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 200 } },
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'highpass', frequency: 3000, Q: 1.5 },
+        envelope: { attack: 0, decay: 0.12, sustain: 0, release: 0.05 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -194,7 +215,19 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: -8 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 8 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1500, Q: 3 },
+        envelope: { attack: 1, decay: 0.4, sustain: 0.7, release: 2 },
+        lfo: { frequency: 0.6, type: 'sine', min: 600, max: 3500, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 5.5, wet: 0.6 },
+        ],
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
@@ -250,7 +283,16 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: -9 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: 9 } },
+        ],
+        filter: { type: 'lowpass', frequency: 400, Q: 8 },
+        lfo: { frequency: 0.7, type: 'sine', min: 200, max: 2000, target: 'frequency' },
+        envelope: { attack: 0.05, decay: 0.2, sustain: 0.6, release: 0.3 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -303,7 +345,13 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 440 } },
+        ],
+        envelope: { attack: 0.01, decay: 0.15, sustain: 0.05, release: 0.1 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -368,7 +416,19 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 330 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2000, Q: 4 },
+        envelope: { attack: 0.005, decay: 0.15, sustain: 0.1, release: 0.08 },
+        lfo: { frequency: 1.5, type: 'sine', min: 1000, max: 4000, target: 'frequency' },
+        effects: [
+          { type: 'delay', time: 0.25, feedback: 0.35, wet: 0.45 },
+        ],
+        triggerPattern: { interval: 0.25, count: 16 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -425,7 +485,22 @@ export const WORLD_6 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 950, y: 160, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 165, detune: -6 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 165, detune: 6 } },
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'lowpass', frequency: 1800, Q: 6 },
+        envelope: { attack: 0.2, decay: 0.4, sustain: 0.5, release: 0.8 },
+        lfo: { frequency: 2, type: 'sine', min: 0.3, max: 1.2, target: 'amplitude' },
+        effects: [
+          { type: 'distortion', amount: 2 },
+          { type: 'delay', time: 0.3, feedback: 0.4, wet: 0.4 },
+          { type: 'reverb', decay: 3.5, wet: 0.45 },
+        ],
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world7.js b/src/game/levels/world7.js
index 1327aae..cb3b301 100644
--- a/src/game/levels/world7.js
+++ b/src/game/levels/world7.js
@@ -25,7 +25,14 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 330 } },
+        ],
+        envelope: { attack: 0.01, decay: 0.12, sustain: 0, release: 0.05 },
+        triggerPattern: { interval: 0.5, count: 4 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -81,7 +88,17 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: -8 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: 8 } },
+        ],
+        filter: { type: 'lowpass', frequency: 600, Q: 5 },
+        envelope: { attack: 0.02, decay: 0.15, sustain: 0.3, release: 0.1 },
+        lfo: { frequency: 1, type: 'sine', min: 300, max: 1500, target: 'frequency' },
+        triggerPattern: { interval: 1, count: 3 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -137,7 +154,16 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 750, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2.5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2000, Q: 2 },
+        envelope: { attack: 0.005, decay: 0.15, sustain: 0.05, release: 0.08 },
+        lfo: { frequency: 2.5, type: 'sine', min: 1000, max: 4000, target: 'frequency' },
+        triggerPattern: { interval: 0.375, count: 7 },
+        duration: 2.5,
+      },
       checks: [
         {
           star: 1,
@@ -194,7 +220,15 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'lowpass', frequency: 1000, Q: 3.5 },
+        envelope: { attack: 0, decay: 0.1, sustain: 0, release: 0 },
+        triggerPattern: { interval: 0.5, count: 4 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -250,7 +284,14 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50 } },
+        ],
+        envelope: { attack: 0, decay: 0.3, sustain: 0, release: 0.1 },
+        triggerPattern: { interval: 1, count: 2 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -308,7 +349,16 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 750, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2.5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 55 } },
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'highpass', frequency: 6500, Q: 1.5 },
+        envelope: { attack: 0, decay: 0.08, sustain: 0, release: 0 },
+        triggerPattern: { interval: 0.5, count: 5 },
+        duration: 2.5,
+      },
       checks: [
         {
           star: 1,
@@ -362,7 +412,18 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 440 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1500, Q: 2 },
+        envelope: { attack: 0.01, decay: 0.12, sustain: 0, release: 0.05 },
+        effects: [
+          { type: 'delay', time: 0.35, feedback: 0.5, wet: 0.55 },
+        ],
+        triggerPattern: { interval: 0.5, count: 6 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -417,7 +478,22 @@ export const WORLD_7 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sine', frequency: 50 } },
+          { type: 'noise', params: { type: 'white' } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: -8 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: 8 } },
+        ],
+        filter: { type: 'highpass', frequency: 7000, Q: 1.5 },
+        envelope: { attack: 0, decay: 0.15, sustain: 0, release: 0.05 },
+        effects: [
+          { type: 'delay', time: 0.3, feedback: 0.4, wet: 0.35 },
+          { type: 'reverb', decay: 2.5, wet: 0.25 },
+        ],
+        triggerPattern: { interval: 1, count: 5 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world8.js b/src/game/levels/world8.js
index 2cddafa..6f7c97d 100644
--- a/src/game/levels/world8.js
+++ b/src/game/levels/world8.js
@@ -26,7 +26,13 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 1.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        envelope: { attack: 0.1, decay: 0.3, sustain: 0.1, release: 0.2 },
+        duration: 1.5,
+      },
       checks: [
         {
           star: 1,
@@ -79,7 +85,14 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 1.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'bandpass', frequency: 3000, Q: 4 },
+        envelope: { attack: 0.15, decay: 0.6, sustain: 0.05, release: 0.3 },
+        duration: 1.5,
+      },
       checks: [
         {
           star: 1,
@@ -135,7 +148,15 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 750, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'lowpass', frequency: 1200, Q: 1 },
+        lfo: { frequency: 0.3, type: 'sine', min: 500, max: 2500, target: 'frequency' },
+        envelope: { attack: 0.2, decay: 0.5, sustain: 0.3, release: 0.4 },
+        duration: 2,
+      },
       checks: [
         {
           star: 1,
@@ -191,7 +212,14 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -10 }, locked: true },
       ],
-      target: { build: [], duration: 1.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        envelope: { attack: 0.01, decay: 0.06, sustain: 0, release: 0.02 },
+        triggerPattern: { interval: 0.15, count: 1 },
+        duration: 1.5,
+      },
       checks: [
         {
           star: 1,
@@ -246,7 +274,16 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -12 }, locked: true },
       ],
-      target: { build: [], duration: 1.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        effects: [
+          { type: 'distortion', distortion: 0.75, wet: 0.7 },
+        ],
+        envelope: { attack: 0.08, decay: 0.6, sustain: 0.1, release: 0.25 },
+        duration: 1.5,
+      },
       checks: [
         {
           star: 1,
@@ -299,7 +336,13 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 1.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'pink' } },
+        ],
+        lfo: { frequency: 1.5, type: 'square', min: 0.2, max: 1, target: 'amplitude' },
+        duration: 1.5,
+      },
       checks: [
         {
           star: 1,
@@ -351,7 +394,17 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 2.5 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'brown' } },
+        ],
+        filter: { type: 'lowpass', frequency: 900, Q: 0.8 },
+        effects: [
+          { type: 'delay', delayTime: 0.4, feedback: 0.45, wet: 0.6 },
+          { type: 'reverb', decay: 4.5, wet: 0.7 },
+        ],
+        duration: 2.5,
+      },
       checks: [
         {
           star: 1,
@@ -406,7 +459,25 @@ export const WORLD_8 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 6 },
+      target: {
+        build: [
+          { type: 'noise', params: { type: 'white' } },
+          { type: 'noise', params: { type: 'pink' } },
+          { type: 'noise', params: { type: 'brown' } },
+          { type: 'noise', params: { type: 'white' } },
+        ],
+        filter: { type: 'bandpass', frequency: 2800, Q: 3.5 },
+        lfo: [
+          { frequency: 0.35, type: 'sine', min: 600, max: 2200, target: 'frequency' },
+          { frequency: 1.2, type: 'square', min: 0.1, max: 0.9, target: 'amplitude' },
+        ],
+        effects: [
+          { type: 'delay', delayTime: 0.35, feedback: 0.5, wet: 0.5 },
+          { type: 'reverb', decay: 3.5, wet: 0.55 },
+        ],
+        envelope: { attack: 0.12, decay: 0.4, sustain: 0.2, release: 0.3 },
+        duration: 6,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/levels/world9.js b/src/game/levels/world9.js
index 5faf67a..231ce54 100644
--- a/src/game/levels/world9.js
+++ b/src/game/levels/world9.js
@@ -24,7 +24,14 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 220, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 4000, Q: 1.2 },
+        envelope: { attack: 0.05, decay: 0.3, sustain: 0.4, release: 0.2 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -83,7 +90,15 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 165, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2500, Q: 6 },
+        lfo: { frequency: 0.8, type: 'sine', min: 1000, max: 4500, target: 'frequency' },
+        envelope: { attack: 0.08, decay: 0.4, sustain: 0.3, release: 0.25 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -139,7 +154,14 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 330, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 1800, Q: 2 },
+        envelope: { attack: 0.01, decay: 0.35, sustain: 0.1, release: 0.15 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -197,7 +219,14 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -6 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 55, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 800, Q: 9 },
+        envelope: { attack: 0.02, decay: 0.25, sustain: 0.05, release: 0.15 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -256,7 +285,16 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 5 } },
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: -7 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3500, Q: 0.9 },
+        envelope: { attack: 0.08, decay: 0.8, sustain: 0.5, release: 0.4 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -316,7 +354,16 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 800, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 3 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 220, detune: 4 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3000, Q: 1.5 },
+        lfo: { frequency: 0.6, type: 'sine', min: 2500, max: 4500, target: 'frequency' },
+        envelope: { attack: 0.06, decay: 0.35, sustain: 0.35, release: 0.2 },
+        duration: 3,
+      },
       checks: [
         {
           star: 1,
@@ -372,7 +419,15 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 700, y: 120, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 4 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 130, detune: 0 } },
+        ],
+        filter: { type: 'lowpass', frequency: 2000, Q: 2 },
+        lfo: { frequency: 1, type: 'sine', min: 500, max: 5000, target: 'frequency' },
+        envelope: { attack: 0.07, decay: 0.5, sustain: 0.2, release: 0.25 },
+        duration: 4,
+      },
       checks: [
         {
           star: 1,
@@ -427,7 +482,19 @@ export const WORLD_9 = {
       preplacedModules: [
         { id: 1, type: 'output', x: 900, y: 140, params: { volume: -8 }, locked: true },
       ],
-      target: { build: [], duration: 5 },
+      target: {
+        build: [
+          { type: 'oscillator', params: { waveform: 'sawtooth', frequency: 110, detune: 0 } },
+          { type: 'oscillator', params: { waveform: 'square', frequency: 110, detune: 3 } },
+        ],
+        filter: { type: 'lowpass', frequency: 3000, Q: 6 },
+        lfo: { frequency: 0.5, type: 'sine', min: 1000, max: 4000, target: 'frequency' },
+        effects: [
+          { type: 'reverb', decay: 2.5, wet: 0.4 },
+        ],
+        envelope: { attack: 0.08, decay: 0.5, sustain: 0.3, release: 0.3 },
+        duration: 5,
+      },
       checks: [
         {
           star: 1,
diff --git a/src/game/targetAudio.js b/src/game/targetAudio.js
index 62cdd6a..67cbc80 100644
--- a/src/game/targetAudio.js
+++ b/src/game/targetAudio.js
@@ -1,12 +1,18 @@
 /**
  * targetAudio.js — Plays the "target" sound for a puzzle level
  * Builds a temporary Tone.js graph from the level's target config
+ *
+ * Extended to support:
+ * - Envelopes (amplitude shaping)
+ * - LFO (modulation)
+ * - Effects (delay, reverb, distortion)
  */
 import * as Tone from 'tone';
 
 let _activeNodes = [];
 let _isPlaying = false;
 let _stopTimeout = null;
+let _loops = []; // Track Tone.Loop instances for cleanup
 
 export function isTargetPlaying() {
   return _isPlaying;
@@ -25,19 +31,87 @@ export async function playTarget(target) {
   const output = new Tone.Gain(0.5).toDestination();
   nodes.push(output);
 
+  // Build effects chain (will connect to this)
+  let effectChain = output;
+
+  // Effects array (in order: distortion → delay → reverb)
+  if (target.effects && target.effects.length > 0) {
+    const effectNodes = [];
+    for (const effect of target.effects) {
+      if (effect.type === 'distortion') {
+        const distortion = new Tone.Distortion(effect.amount ?? 0.4);
+        effectNodes.push(distortion);
+      } else if (effect.type === 'delay') {
+        const delay = new Tone.Delay(effect.time ?? 0.3);
+        delay.feedback.value = effect.feedback ?? 0.3;
+        delay.wet.value = effect.wet ?? 0.5;
+        effectNodes.push(delay);
+      } else if (effect.type === 'reverb') {
+        const reverb = new Tone.Reverb(effect.decay ?? 2.5);
+        reverb.wet.value = effect.wet ?? 0.5;
+        effectNodes.push(reverb);
+      }
+    }
+
+    // Chain effects together, then to output
+    if (effectNodes.length > 0) {
+      for (let i = 0; i < effectNodes.length - 1; i++) {
+        effectNodes[i].connect(effectNodes[i + 1]);
+      }
+      effectNodes[effectNodes.length - 1].connect(output);
+      effectChain = effectNodes[0];
+      nodes.push(...effectNodes);
+    }
+  }
+
   // Optional filter in the chain
-  let destination = output;
+  let destination = effectChain;
   if (target.filter) {
     const filter = new Tone.Filter({
       type: target.filter.type || 'lowpass',
       frequency: target.filter.frequency || 1000,
       Q: target.filter.Q || 1,
     });
-    filter.connect(output);
+    filter.connect(effectChain);
     destination = filter;
     nodes.push(filter);
   }
 
+  // Optional envelope
+  let envelope = null;
+  if (target.envelope) {
+    envelope = new Tone.AmplitudeEnvelope({
+      attack: target.envelope.attack ?? 0.01,
+      decay: target.envelope.decay ?? 0.1,
+      sustain: target.envelope.sustain ?? 0.3,
+      release: target.envelope.release ?? 0.5,
+    });
+    envelope.connect(destination);
+    destination = envelope;
+    nodes.push(envelope);
+  }
+
+  // Optional LFO for modulation
+  let lfo = null;
+  if (target.lfo) {
+    lfo = new Tone.LFO({
+      frequency: target.lfo.frequency ?? 5,
+      type: target.lfo.type ?? 'sine',
+      min: target.lfo.min ?? 0.5,
+      max: target.lfo.max ?? 1.5,
+    });
+
+    // Route LFO to the specified target
+    if (target.lfo.target === 'amplitude' && envelope) {
+      lfo.connect(envelope.gain);
+    } else if (target.lfo.target === 'frequency' && target.build.length > 0) {
+      // LFO will be connected to oscillators below
+    }
+
+    lfo.start();
+    nodes.push(lfo);
+  }
+
   // Build oscillators / noise from target.build
   for (const spec of target.build) {
     if (spec.type === 'oscillator') {
@@ -47,6 +121,12 @@ export async function playTarget(target) {
         detune: spec.params.detune || 0,
       });
       osc.connect(destination);
+
+      // Connect LFO to frequency if specified
+      if (lfo && target.lfo?.target === 'frequency') {
+        lfo.connect(osc.frequency);
+      }
+
       osc.start();
       nodes.push(osc);
     } else if (spec.type === 'noise') {
@@ -57,6 +137,27 @@ export async function playTarget(target) {
     }
   }
 
+  // Handle envelope retriggering with triggerPattern
+  if (envelope && target.triggerPattern) {
+    const pattern = target.triggerPattern;
+    const interval = pattern.interval ?? 0.5;
+    const count = pattern.count ?? Math.ceil((target.duration || 2) / interval);
+
+    const loop = new Tone.Loop((time) => {
+      envelope.triggerAttackRelease(
+        target.envelope.attack + target.envelope.decay + target.envelope.release,
+        time
+      );
+    }, interval);
+
+    loop.start(0);
+    nodes.push(loop);
+    _loops.push(loop);
+  } else if (envelope) {
+    // Single trigger if no pattern
+    envelope.triggerAttack();
+  }
+
   _activeNodes = nodes;
 
   // Auto-stop after duration
@@ -69,6 +170,17 @@ export function stopTarget() {
     clearTimeout(_stopTimeout);
     _stopTimeout = null;
   }
+
+  // Stop and cleanup loops
+  for (const loop of _loops) {
+    try {
+      loop.stop();
+      loop.dispose();
+    } catch {}
+  }
+  _loops = [];
+
+  // Stop and cleanup nodes
   for (const node of _activeNodes) {
     try {
       if (node.stop) node.stop();
diff --git a/src/index.css b/src/index.css
index 568351d..4974f47 100644
--- a/src/index.css
+++ b/src/index.css
@@ -28,7 +28,7 @@ html, body, #root {
   width: 100%; height: 100%; overflow: hidden;
   background: var(--bg); color: var(--text);
   font-family: 'Inter', 'SF Pro', -apple-system, system-ui, sans-serif;
-  font-size: 12px;
+  font-size: 13px;
   -webkit-font-smoothing: antialiased;
 }
 
@@ -89,7 +89,7 @@ html, body, #root {
 
 /* ===== Modules ===== */
 .module {
-  position: absolute; width: 180px; min-width: 180px;
+  position: absolute; width: 200px; min-width: 200px;
   background: var(--surface); border: 1px solid var(--border);
   border-radius: 8px; user-select: none; z-index: 2;
   box-shadow: 0 4px 16px rgba(0,0,0,0.4);
@@ -100,13 +100,13 @@ html, body, #root {
 
 .module-header {
   display: flex; align-items: center; gap: 6px;
-  padding: 6px 10px; border-bottom: 1px solid var(--border);
+  padding: 8px 12px; border-bottom: 1px solid var(--border);
   cursor: grab; border-radius: 8px 8px 0 0;
   background: var(--surface2);
 }
-.module-header .type-icon { font-size: 14px; }
+.module-header .type-icon { font-size: 16px; }
 .module-header .type-name {
-  font-size: 11px; font-weight: 600; text-transform: uppercase;
+  font-size: 12px; font-weight: 600; text-transform: uppercase;
   letter-spacing: 0.5px; color: var(--text);
   flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
 }
@@ -117,18 +117,18 @@ html, body, #root {
 }
 .module-header .close-btn:hover { background: var(--red); color: #fff; }
 
-.module-body { padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }
+.module-body { padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
 
 /* Ports */
 .port-row {
-  display: flex; align-items: center; gap: 6px;
-  position: relative; height: 20px;
+  display: flex; align-items: center; gap: 8px;
+  position: relative; height: 24px;
 }
 .port-row.input { flex-direction: row; }
 .port-row.output { flex-direction: row-reverse; }
 
 .port-dot {
-  width: 12px; height: 12px; border-radius: 50%;
+  width: 14px; height: 14px; border-radius: 50%;
   border: 2px solid var(--border); background: var(--surface);
   cursor: pointer; flex-shrink: 0; transition: all 0.15s;
   position: relative; z-index: 5;
@@ -149,21 +149,21 @@ html, body, #root {
 }
 
 .port-label {
-  font-size: 10px; color: var(--text2); text-transform: uppercase;
+  font-size: 11px; color: var(--text2); text-transform: uppercase;
   letter-spacing: 0.3px; white-space: nowrap;
 }
 
 /* Knobs */
 .param-row {
-  display: flex; align-items: center; gap: 6px;
+  display: flex; align-items: center; gap: 8px;
 }
 .param-label {
-  font-size: 10px; color: var(--text2); width: 48px;
+  font-size: 11px; color: var(--text2); width: 50px;
   text-transform: uppercase; letter-spacing: 0.3px; flex-shrink: 0;
 }
 
-.knob-container { position: relative; width: 32px; height: 32px; flex-shrink: 0; }
-.knob-svg { width: 32px; height: 32px; cursor: pointer; }
+.knob-container { position: relative; width: 36px; height: 36px; flex-shrink: 0; }
+.knob-svg { width: 36px; height: 36px; cursor: pointer; }
 .knob-track { fill: none; stroke: var(--knob-track); stroke-width: 3; stroke-linecap: round; }
 .knob-fill { fill: none; stroke-width: 3; stroke-linecap: round; }
 .knob-dot { fill: var(--text); }
@@ -211,8 +211,8 @@ html, body, #root {
 .knob-input:focus { box-shadow: 0 0 6px rgba(0,229,255,0.3); }
 
 .param-value {
-  font-size: 10px; color: var(--accent); font-family: 'JetBrains Mono', monospace;
-  min-width: 40px; text-align: right;
+  font-size: 11px; color: var(--accent); font-family: 'JetBrains Mono', monospace;
+  min-width: 45px; text-align: right;
 }
 
 /* Select param */
@@ -225,7 +225,7 @@ html, body, #root {
 
 /* Scope canvas */
 .scope-canvas {
-  width: 100%; height: 60px; border-radius: 4px;
+  width: 100%; height: 70px; border-radius: 4px;
   background: #050510; border: 1px solid var(--border);
 }
 
@@ -311,11 +311,11 @@ html, body, #root {
   width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
   border: 2px solid var(--accent); border-radius: 12px; background: rgba(0,229,255,0.05);
 }
-.gm-title { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
-.gm-tagline { font-size: 12px; color: var(--text2); margin-top: 2px; }
+.gm-title { font-size: 24px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
+.gm-tagline { font-size: 13px; color: var(--text2); margin-top: 2px; }
 
 .gm-header-right { display: flex; align-items: center; gap: 16px; }
-.gm-total-stars { font-size: 16px; color: var(--yellow); font-weight: 700; }
+.gm-total-stars { font-size: 18px; color: var(--yellow); font-weight: 700; }
 .gm-sandbox-btn {
   padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px;
   background: var(--surface); color: var(--text2); cursor: pointer;
@@ -351,19 +351,19 @@ html, body, #root {
 .gm-world-header {
   display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
 }
-.gm-world-icon { font-size: 28px; }
-.gm-world-name { font-size: 16px; font-weight: 700; color: var(--text); }
-.gm-world-sub { font-size: 11px; color: var(--text2); margin-top: 2px; }
+.gm-world-icon { font-size: 32px; }
+.gm-world-name { font-size: 18px; font-weight: 700; color: var(--text); }
+.gm-world-sub { font-size: 12px; color: var(--text2); margin-top: 2px; }
 
 /* Level grid */
 .gm-level-grid {
-  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
-  gap: 12px;
+  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+  gap: 14px;
 }
 
 .gm-level-card {
-  display: flex; align-items: center; gap: 12px;
-  padding: 14px 16px; border-radius: 10px; cursor: pointer;
+  display: flex; align-items: center; gap: 14px;
+  padding: 16px 18px; border-radius: 10px; cursor: pointer;
   background: var(--surface); border: 1px solid var(--border);
   transition: all 0.2s; position: relative; overflow: hidden;
 }
@@ -377,18 +377,18 @@ html, body, #root {
 .gm-level-card.perfect { border-color: var(--green); }
 
 .gm-level-number {
-  width: 36px; height: 36px; border-radius: 50%;
+  width: 42px; height: 42px; border-radius: 50%;
   background: var(--surface2); display: flex; align-items: center; justify-content: center;
-  font-weight: 800; font-size: 14px; color: var(--accent); flex-shrink: 0;
+  font-weight: 800; font-size: 16px; color: var(--accent); flex-shrink: 0;
   border: 1px solid var(--border);
 }
 
 .gm-level-info { flex: 1; min-width: 0; }
-.gm-level-title { font-size: 13px; font-weight: 600; color: var(--text); }
-.gm-level-subtitle { font-size: 10px; color: var(--text2); margin-top: 2px; }
+.gm-level-title { font-size: 14px; font-weight: 600; color: var(--text); }
+.gm-level-subtitle { font-size: 11px; color: var(--text2); margin-top: 2px; }
 
-.gm-stars { display: flex; gap: 2px; }
-.gm-stars .star { font-size: 16px; }
+.gm-stars { display: flex; gap: 3px; }
+.gm-stars .star { font-size: 18px; }
 .gm-stars .star.filled { color: var(--yellow); }
 .gm-stars .star.empty { color: var(--border); }
 
@@ -412,14 +412,14 @@ html, body, #root {
   font-size: 10px; color: var(--text2); background: var(--surface);
   padding: 2px 8px; border-radius: 4px; font-weight: 600;
 }
-.gm-puzzle-name { font-size: 14px; font-weight: 700; color: var(--text); }
+.gm-puzzle-name { font-size: 15px; font-weight: 700; color: var(--text); }
 .gm-puzzle-actions { margin-left: auto; display: flex; gap: 8px; }
 
 /* Buttons */
 .gm-btn {
-  padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px;
+  padding: 7px 16px; border: 1px solid var(--border); border-radius: 6px;
   background: var(--surface); color: var(--text); cursor: pointer;
-  font-size: 12px; font-weight: 600; font-family: inherit; transition: all 0.15s;
+  font-size: 13px; font-weight: 600; font-family: inherit; transition: all 0.15s;
   white-space: nowrap;
 }
 .gm-btn:hover { border-color: var(--accent); }
@@ -439,9 +439,9 @@ html, body, #root {
 .gm-puzzle-content { flex: 1; display: flex; overflow: hidden; min-height: 0; }
 
 .gm-puzzle-sidebar {
-  width: 280px; flex-shrink: 0; background: var(--panel);
+  width: 320px; flex-shrink: 0; background: var(--panel);
   border-right: 1px solid var(--border); overflow-y: auto;
-  padding: 12px; display: flex; flex-direction: column; gap: 12px;
+  padding: 14px; display: flex; flex-direction: column; gap: 14px;
   min-height: 0; /* Allow flex item to shrink below content — enables scrolling */
 }
 /* Prevent sidebar children from shrinking — forces overflow → scroll */
@@ -457,11 +457,11 @@ html, body, #root {
   overflow: hidden;
 }
 .gm-concept-header {
-  padding: 10px 12px; cursor: pointer; display: flex; justify-content: space-between;
-  align-items: center; font-size: 12px; font-weight: 600; color: var(--yellow);
+  padding: 12px 14px; cursor: pointer; display: flex; justify-content: space-between;
+  align-items: center; font-size: 13px; font-weight: 600; color: var(--yellow);
 }
-.gm-concept-body { padding: 0 12px 12px; }
-.gm-concept-desc { font-size: 11px; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
+.gm-concept-body { padding: 0 14px 14px; }
+.gm-concept-desc { font-size: 12px; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
 .gm-concept-tip {
   font-size: 10px; color: var(--text2); line-height: 1.5;
   padding: 8px; background: var(--bg); border-radius: 4px;
@@ -471,15 +471,15 @@ html, body, #root {
 /* Objectives */
 .gm-objectives {
   background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
-  padding: 10px 12px;
+  padding: 12px 14px;
 }
 .gm-obj-title {
-  font-size: 10px; font-weight: 700; color: var(--text2);
-  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
+  font-size: 11px; font-weight: 700; color: var(--text2);
+  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px;
 }
 .gm-obj {
-  display: flex; align-items: center; gap: 8px; padding: 6px 0;
-  border-bottom: 1px solid var(--border); font-size: 11px;
+  display: flex; align-items: center; gap: 10px; padding: 8px 0;
+  border-bottom: 1px solid var(--border); font-size: 12px;
 }
 .gm-obj:last-child { border-bottom: none; }
 .gm-obj-star { color: var(--yellow); font-size: 12px; flex-shrink: 0; width: 30px; }
@@ -499,14 +499,14 @@ html, body, #root {
 /* Hint panel */
 .gm-hint-panel { }
 .gm-hint-btn {
-  width: 100%; display: flex; align-items: center; gap: 8px;
-  padding: 10px 12px; border: 1px dashed var(--yellow); border-radius: 8px;
+  width: 100%; display: flex; align-items: center; gap: 10px;
+  padding: 12px 14px; border: 1px dashed var(--yellow); border-radius: 8px;
   background: rgba(255,204,0,0.04); cursor: pointer;
   font-family: inherit; transition: all 0.15s;
 }
 .gm-hint-btn:hover { background: rgba(255,204,0,0.1); border-style: solid; }
-.gm-hint-icon { font-size: 16px; }
-.gm-hint-label { font-size: 12px; font-weight: 600; color: var(--yellow); flex: 1; text-align: left; }
+.gm-hint-icon { font-size: 18px; }
+.gm-hint-label { font-size: 13px; font-weight: 600; color: var(--yellow); flex: 1; text-align: left; }
 .gm-hint-penalty {
   font-size: 9px; color: var(--red); background: rgba(255,68,102,0.15);
   padding: 2px 6px; border-radius: 3px; font-weight: 700;
@@ -517,16 +517,16 @@ html, body, #root {
   overflow: hidden;
 }
 .gm-hint-header {
-  padding: 8px 12px; display: flex; justify-content: space-between; align-items: center;
-  font-size: 12px; font-weight: 600; color: var(--yellow);
+  padding: 10px 14px; display: flex; justify-content: space-between; align-items: center;
+  font-size: 13px; font-weight: 600; color: var(--yellow);
   background: rgba(255,204,0,0.06);
 }
 .gm-hint-penalty-tag {
-  font-size: 9px; color: var(--red); background: rgba(255,68,102,0.15);
-  padding: 2px 6px; border-radius: 3px; font-weight: 700;
+  font-size: 10px; color: var(--red); background: rgba(255,68,102,0.15);
+  padding: 3px 7px; border-radius: 3px; font-weight: 700;
 }
 .gm-hint-text {
-  padding: 8px 12px 12px; font-size: 11px; color: var(--text); line-height: 1.5;
+  padding: 10px 14px 14px; font-size: 12px; color: var(--text); line-height: 1.5;
 }
 
 .gm-hint-penalty-msg {
@@ -540,24 +540,24 @@ html, body, #root {
 /* Module palette (game) */
 .gm-module-palette {
   background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
-  padding: 10px 12px;
+  padding: 12px 14px;
 }
 .gm-palette-title {
-  font-size: 10px; font-weight: 700; color: var(--text2);
-  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
+  font-size: 11px; font-weight: 700; color: var(--text2);
+  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px;
 }
 .gm-palette-item {
-  display: flex; align-items: center; gap: 8px;
-  padding: 8px; border-radius: 6px; cursor: pointer;
-  transition: all 0.15s; font-size: 12px; color: var(--text);
+  display: flex; align-items: center; gap: 10px;
+  padding: 10px; border-radius: 6px; cursor: pointer;
+  transition: all 0.15s; font-size: 13px; color: var(--text);
 }
 .gm-palette-item:hover { background: var(--surface2); }
-.gm-palette-icon { font-size: 16px; width: 24px; text-align: center; }
+.gm-palette-icon { font-size: 18px; width: 28px; text-align: center; }
 .gm-palette-name { flex: 1; font-weight: 500; }
 .gm-palette-add {
-  width: 22px; height: 22px; border-radius: 50%;
+  width: 26px; height: 26px; border-radius: 50%;
   background: var(--surface2); display: flex; align-items: center; justify-content: center;
-  font-size: 14px; color: var(--accent); font-weight: 700;
+  font-size: 16px; color: var(--accent); font-weight: 700;
 }
 
 /* Canvas hint */