Alien Zombie is a series of shooter video games where you play as a spaceman fighting alien zombies. The series has a purposefully silly atmosphere and theme. The current installments in the series were developed and published by PomPom Games. The series made its debut in 2010 as a PSN Mini download for the PSP called Alien Zombie Death. A second game followed up the next year in 2011 as an HD PSN download for the PS3, called Alien Zombie Megadeath.