The last human is already dead, slain by evil killer robots! As the last remaining humanoid battle robot, you must avenge the human race and destroy the four bots of the Apocalypse. Pick up powerups on your way to help you out. Fast action retro arcade game based on Robotron. Play for hiscores and glory!. Ultratron is licensed as shareware, the cost of the registered version is $9.95 and full download size is 6.4 MB. You can download a free version of Ultratron by following download link at Free Downloads section of this page. Ultratron is developed or distributed by Puppygames and is listed under action.