Rescue Nico in the warehouse to unlock digital comics (accessed from the main menu) which contains the prologue of the game.
Unlockable How to Unlock Prologue Comics Rescue Nico in the Warehouse
Beat the game to unlock Diaries (accessed from the main menu) which contains character's complete details about their adventures.
Unlockable How to Unlock George's Diary Beat the Game Nico's Diary Beat the Game
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