- Add 2P multiplayer mode with individual scoring and lives
- Implement player elimination system with continue/restart options
- Fix collision detection for moving into ghosts
- Add 3-second respawn invincibility like original Pacman
- Visual effects: pulsing/glow during invincibility, smoother animations
- Controls: P1 uses WASD+arrows in 1P, WASD only in 2P; P2 uses arrows
- Fix continue in 1P mode transferring surviving player state
- Revert ghost AI to simple targeting for reliability
- Add 2P mode selection and controls (P1: WASD/Arrows, P2: IJKL)
- Implement individual scoring and lives for both players
- Fix collision detection for both moving into ghosts and ghosts moving into players
- Add player elimination system with continue/restart options
- Revert ghost AI to original working logic
- Add visual smoothing with CSS transitions and effects
- Fix standing still collision bug
- Prevent duplicate piece shapes when generating next pieces
- Enhanced randomTetromino() with excludeShape parameter
- Update piece placement logic to avoid visual duplicates
- Improve initial state generation for both players
- Add P1 and P2 next piece previews in 2P mode