"Protect your device against virus attack and eliminate all enemies" The game is build on solid base of modern engine, but respects classic gaming principles - easy control, clear graphics and fine-tuned gameplay. There are unique HW-inspired levels in the campaign mode and infinite number of generated levels in the quick play mode, so you will never play the same level again. You will encounter thousands of enemies of different kind. The game experience is crowned by original chiptune music and sound. The well known CRT screen look is a matter of course. The story takes place in your own device, which is currently under heavy attack of an unknown virus - A-droids. You as the OS Defender have to go down the way into the SW & HW and fight in various parts of your device - USB, memory, ... and lead a final battle in the microprocessor. If you fail, your device will be lost.