🎯 Goal: Destroy all matrix invaders before they reach the ground
← → Move: Arrow keys or A / D keys
🚀 Fire: SPACE bar (or 🔥 button on mobile)
▮▮ Pause: P key or Pause button
✅ Unlock: Answer 3 correct in a row to launch the game
🔄 Return: After time/lives end, quiz resumes automatically