Call of Duty: Black Ops Multiplayer Achievements Full list of all 3 Call of Duty: Black Ops Multiplayer achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 3 Online Mode 1 Single Player 1 Cooperative 2 Versus 1 Level Link flagsOR joinAND join What are achievement flags? Click to find outApply Date NightWatch a film or clip. In the MoneyFinish 5 Wager Matches "in the money." 1 guideReady for DeploymentReach rank 10 in Combat Training.