Press F3 to toggle a debug overlay that shows:
- Red tiles: walls (collision)
- Green tiles: exits (map transitions)
- Yellow tiles: interactions (workshop, signs, doors)
- Purple tiles: NPCs
- Green border: current player tile
- Coordinate labels on nearby tiles
- Legend bar with player position and current map
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>