Press [Enter] To Start.
Only use keyboard to play. Pretend your keyboard is the a game controller. Click on the “controls” button at the bottom of game to see the controller-to-keyboard mapping.
Player 2 uses the NumPad. Please make sure your NumPad is unlocked.
Game is saved to your browser cookie, so if you want to save game, you must enable cookie. If you clear cookie, save game will be gone.