Activision has officially announced that Call of Duty: Black Ops will have the long-awaited co-op that Zombies will be limited to four players as happened in previous World At War. "Zombies mode has been so successful that we could not present it again to the fans of our new title, "said Treyarch boss Mark Lamia, and added:" We have preserved the essential features of the way and we have introduced a pleasant surprise for our fans. "

Activision also announced the arrival of a new cooperative multiplayer mode called Combat Training with five friends in which we resist and fight against enemies governed by the AI of the game. We await further details postponing exit official game scheduled for Nov. 9.