: Do not enter the room immediately. Stay behind the doorway for cover.

: Your teammates are invincible; let them push forward and finish off any stragglers while you stay safely behind. call-of-duty-ghosts

: Earned in Mission 6: "Legends Never Die" by killing 6 enemies with a knife while underwater. Call of Duty Ghosts: Piece of Cake Trophy/Achievement - HTG : Do not enter the room immediately