Complete the following achievements to unlock Microsoft Gamerscore points.
Complete the indicated task to unlock the corresponding costume.
Get a 100% game completion, including Riddler challenges and side quests.
Capture fourteen of Gotham's most wanted by the end of the game.
When you acquire the second Batsuit at the Falcone Shipping Yards during the main storyline, one of the holograms for the training missions features Batman's head. Look at it very carefully to notice that it is the version from the animated series.
Note: This requires v1.07 or higher. Hold LT + RT and rotate the Right Analog-stick continuously in either direction at the main menu or during game play until your character's head gets large. Repeat the code to disable its effect.
Search at the indicated coordinates to find the corresponding item.
You must complete the Azeral side quests. The quests are to avoid getting hit in the fight.