Call-of-duty-ghosts -

: Earned by collecting all 18 Rorke Files scattered throughout the campaign.

If you are looking for other "pieces" of the game's completion requirements, you might also be interested in: call-of-duty-ghosts

: Immediately after breaching the common room door with your squad. Strategy : : Earned by collecting all 18 Rorke Files

: Save all your flashbangs and frag grenades specifically for this room. : If you see any red on your

: If you see any red on your screen indicating damage, you must restart from the last checkpoint to try again. Other Notable Achievements

To unlock this achievement (Gold Trophy / 100 Gamer Score), you must clear the common room in on Veteran difficulty without taking any damage.

: 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