Aztarac

Aztarac is an arcade shooter game with vector graphics. You control a vehicle called space tank to defend several space outposts from incoming enemies. The turret and base of the tank are controlled independently, allowing you to move in one direction while shooting in another. You have to stop the incoming enemy ships before they can destroy one of your guarded outposts, to see them before they can even get close you can activate a longe range scanner with the second button on the control panel.