After Twin Shot 2 game has been loaded use "Click To Start" button and click "Play" text from openning window. To play against to computer choose "1 Player" section or choose "2 Player" section for playing as 2 players. Then re-click "Play" text and assign game difficulty level; then game starts. If you play this game alone you must use "Arrow Keys" and "Space" key from your keyboard; and if you play with your friend, second player must use "A,S,W,D - F" keys to play. Twoplayergames.org hopes you have fun.