On November 9, 2010, the companion piece to biggest game of the year, Call of Duty: Black Ops, will insert players behind enemy lines during the most dangerous time period mankind has ever known. Filled with heart-racing action, Call of Duty: Black Ops puts players in the boots of elite special forces units engaged in covert warfare, deniable operations, and explosive conflicts around the globe. Developed by nSpace, Call of Duty: Black Ops on the Nintendo DS is a standalone experience that features a robust single player campaign, a separate two-player co-op mode, and six player online options complete with hallmark Perks System, which has made Call of Duty the premier multiplayer experience in gaming.