Rocksteady
  Execute a point shooting with 3 kills
  进行一次杀死3人的point shooting(第一关最后部分,一次point shooting解决4人时即可解开)
Under Wraps
  Hide a body
  隐藏一具尸体(丢进箱子和柜子即可)
Sandman
  Subdue a person
  制服一个人(未装备武器的情况下,背后连点圈即可)