Use the keyboard A, W, D, S or arrow keys Left, Up, Right, Down, and mouse button - if the game description "Galactic Alien Mars" is not stated otherwise.
Galactic Alien Mars
Description: Galactic Alien Marsis a smashing 3d shooting game. There will be an alien war. The battle will take place on ten maps, with three modes. Choose to be a soldier or an alien, then enter the arena and earn points for your team.