Nightmare mode:Complete the game to unlock Nightmare mode. In addition to increasing the combat difficulty, there will be sixteen additional Manuscript Pages to collect.Xbox 360 reference:When the doctor asks you to go back to your room at the start of Chapter 4, search the room across the hallway from your door to find an Xbox 360.Avatar Awards:Unlock the following Avatar Awards by performing the corresponding tasks:AVATAR AWARD – HOW TO UNLOCKJacket and Scarf Male – Play the Limited Collector