Return of Zombie Ops is a zombie modification for Call of Duty 4, it features content from Black Ops Zombie mode aswell as from Modern Warfare 3 Survival mode and Ghosts Extinction mode. It's set slightly in the future with some weapons from Ghosts, Black Ops series and Modern Warfare series.
very good^^
Nice!
ugly motha'******! :D nice , keep up the good work :D
Their from black ops 2. I like their blue eyes XD