Batman: Arkham Knight

					
Game Cheats:
Unlock Alternate Costumes:

Complete the following tasks to unlock the corresponding costume.
New 52:

Free DLC costume.
Batsuit v.7.43:

Available by default.
Batsuit v.8.03:

Progress through the storyline.
Anime Batman:

Sign into the game with a WBPlay account.
Flashpoint:

Included in Premium Edition or All Season Pass.
The Dark Knight Returns:

Included in Gotham’s Future Skin Pack on Steam.
Batman 1st Appearance:

Amazon pre-order bonus (or included in Serious Edition).
Adam West:

PlayStation exclusive pre-order bonus (available to All Season Pass owners in Fall 2015).
Unlock I Am the Night Mode:

Complete New Story Plus mode to unlock this special post-game mode that requires the player to complete the entire New Game Plus campaign without dying a single time. 
Unlock New Story Plus Mode:

When you complete Story mode the ‘New Story Plus’ option will become available at the main menu. In New Story Plus mode you will retain your WayneTech upgrades and Experience points and play under the Knightmare difficulty setting.
Unlock Alternate Ending:

Capture 14 of Gotham’s most wanted by the end of the game to unlock the alternate ending.
Unlock True Ending:

When you achieve 100% completion the True ending will become unlocked. Getting 100% includes ALL the side quests and Riddler challenges.