Shmupnage is recommended as a space aircraft shooting game in space. You are control a aircraft spaceship which is surrounded by enemies. It is required for you to eliminate as many enemy aircrafts as you can. When you meet criticul juncture, you could deploy defensive missiles in Shmupnage!
Arrow keys to move, Z to shoot, X to deploy defensive missiles. Mouse to move, left click to shoot, double click to deploy defensive missiles