Largely agreed upon as the best game in the long, seven-game Call of Duty series, Call of Duty: Black Ops is an extremely popular game in today’s market. Its sales are good enough that any new copies in retail stores still cost exactly the same as they did when the game was first released. It has a great single-player campaign, as well as strong multiplayer functionality. The popularity of Call of Duty: Black Ops is [...] Read more »