The Call of Duty: Black Ops might not a usual stuff for gamers today because this will come in a multi-player format now following to the game developer announcement recently and you can even check the sneak preview below for more after this cut. Most of the gaming tech sites noted this new upcoming version added with co-op mode and other experience which could make a little turning points. You can wait for further announcement of a beta version for a chance to bring a walkthrough for others soon.
However, a representative from DS noted that there will be a promising and exciting stuff included in the game, make most of their time in studio for their long-time development process. Here's a trailer that could teased the world of gaming for Black Ops: