The current version is a huge success and has already sold more than 6 million copies in just the US and UK alone since its release on 9th Nov., 2010. Obviously, going by the numbers, it has broken many records including the one set by Modern Warfare 2.
Its designers are Mark Lamia (studio head) and David Vonderhaar (multiplayer design director). Its writer is David S Goyer. The game has several modes including single player, multi-player and co-op. Here are some of the pictures of Call of Duty: Black Ops.
Here are the links to Call of Duty: Black Ops gaming software