A&D or left and right arrow keys to move Mouse to aim, space to shoot
Credit to dragonlee for the original game What I added: Move with A&D or left and right arrow keys More realistic bullet Smoother running animation Gun is no longer upside-down when shooting to the left of the cat Added background Smoother UFO flight Gun is held more realistically Bullet is shot out of the gun's barrel, instead of behind the grip Delay between shots Added shooting sound Cat now faces mouse