Arrow up- Thrust. Arrow down- Reverse. Arrow right- move right. Arrow left- move left. Z- Tractor Beam. Space bar- To fire.Collect astronauts by holding them in the tractor beam for a second.Depending on the mission you are on white dots can represent health packs or astronauts. Red dots are enemies. Fly through space shooting down enemy craft with your lasers and use the tractor beam to rescue stranded astronauts. Destroy alien ships and rescue stranded astronauts in this multi missioned space shooter.