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.
This is the newest killstreak for the version 0.5 / 0.6
The killstreak come next time and we hope you have many fun with it :)
epiiiiiic
cant wait for this this is awesome