If there’s one thing Treyarch struck gold with in their renditions of the COD franchise, it’s most certainly their “Zombies” mode. Debuting as a well-kept secret upon completing Call of Duty: World at War’s campaign, this bonus mini-game became a sensation that soon became a staple mode for the series. Black Ops II is looking to expand immensely on the concept and make their once separate mode into practically a full-fledged game in itself. Check out the trailer below!
