Hear the call of duty once again with this seventh entry in this blockbuster first-person shooter franchise. Call of Duty: Black Ops for the DS is a companion product to the home console versions, putting gamers in the boots of CIA-backed operatives that are dropped into the shadowy world of deniable operations with an expansive arsenal of weapons at their disposal. Its storyline and missions provide a different perspective and fill in the overall story to this harrowing Black Ops chapter of the hit FPS franchise.