After a successful teleport, our hero ends up on the basement level of AS7 medical research facility. He finds new challenges and evidence of resistance, but still no survivors. The only ones alive are the undead.
The world has gone to hell and the zombies are taking over. Play as both human and zombie in which you can only interchange between human and zombie 5 times.
A special Unit has been sent to Mars to prevent a looming threat. By controlling one of the combat robots, your Unit will have to go through the series of missions; destroying a mob of enemies, earning awards and improving your own robot.