Batman: Arkham Knight Cheats and Tips

When you complete New Story + mode 'I Am the Night' mode will become unlocked.

When you complete the game under the Normal or higher difficulty setting the 'New Story +' option will become unlocked at the 'Main' menu. In New Story + mode you will retain your WayneTech upgrades and experience points and you will play under the Knightmare difficulty setting.

When you get a 100% game completion you will be able to view the alternate ending sequence. Getting 100% game completion includes completing Riddler challenges and side quests.

When the indicated requirement is met the corresponding costume will become unlocked.
Adam West:
PlayStation exclusive pre-order bonus; available to ALL Season Pass owners in Fall 2015.
Anime Batman:
Sign into the game with a WBPlay account.
Batman 1st Appearance:
Amazon pre-order bonus; or included in Serious Edition.
Batsuit v.7.43:
Available by default.
Batsuit v.8.03:
Progress through the storyline.
Flashpoint:
Included in Premium Edition or ALL Season Pass.
New 52:
Free DLC costume.
The Dark Knight Returns:
Included in Gotham's Future Skin Pack on Steam.