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.
