Call of Duty: Black Ops - PC Wide array of play modes including single player, local multiplayer versus and online co-op and multiplayer Seventh installment of the Call of Duty series, based on the live fire conflicts of the Cold War era Diverse variety of play setting ranging from urban air and ground combat in SE Asia, to snow combat in Soviet region and jungle combat Blending of traditional COD, and new first-person character scenarios designed to both retain the essence of the COD gaming experience and ensure constantly flowing and varied action New arsenal of weapons and vehicles tied to the Cold War era, including the SR-71 Blackbird and sighted explosive-tipped crossbows