In addition to the Pick 10 class system from Black Ops II, Treyarch implemented a character system called "Specialists", where players can pick from 9 different soldiers, each with either a special weapon or ability unique to them.
除了《黑色行动II》的Pick 10系统，游戏还添加了新的“专家”动作系统，玩家可从9个拥有不同能力或特殊武器的士兵中选择。