You are the supreme commander of an orbital space station named Aegis One. It is your duty to defend the station against the incoming hordes of enemy spacecraft. You have at your disposal 6 different weapons; each weapon is effective against different types of enemy. Weapons include an auto-cannon, torpedoes and missiles; some weapons excel at penetrating shields, while others do large area damage.
See how to complete the game - Game Walkthrough video of Aegis One.