User blog comment:Panic!AtTheFallOutBoy/Fair play to Treyarch!/@comment-5670680-20130408195038/@comment-4233120-20130409032419

In World at War, Zombies was made by the Single-Player team, which made it kick ass, but once Black Ops came up, Treyarch made a whole new Zombies team, of which, few of the SP team members were a part of.

Glad to see they're finally able to make a Zombies map again.