W for up, A for left, S for down, D for right. A combination of up and left makes you go diagonally up and left, same with up and right, makes you go diagonally up and right, same for down. Move your mouse to aim, your guy will automatically fire. Press space for a giant blast where your mouse is. Pick up other blasters to help you. Press E to switch weapons.
New Two-Player Mode! In the top left corner is your health, in the bottom left corner is your recharge timer for your big blast. Your time left is displayed on top. Don't let the dots touch you. I'm working on a 2-player mode. Survive 2 minutes to win. More games and videos: http://scratch.mit.edu/studios/461304/