A single outpost in the wastelands is under attack by hordes of robots programmed only to destroy. The outpost, originally used for a military experiment of the Nautilus, a THEL (Tactical High-Energy Laser) system, now has to face true onslaught. For how long can you survive, eh?
Face 18 levels filled with unique and devastating enemies with only a laser turret and 3 special powerups, while trying to reach an high level and accumulate high score.