Click 'Instructions' on the Home screen to find out what to do. If and any bullet hits you, then your opponent takes victory. If your bullet hits their tank, victory will be yours. **Each person may only press one key to move at a time, and the shooting key can be held down at any time, except you have to press it again to shoot every time you change directions or start to move. *That was added in to fix the glitch of gliding through the black lines.