Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Complete 'Ghost Town' on hard

Create and consume all mixed drinks in the game

Kill the Leviathan

100% a song (4 player band)

Complete the South Central tournament.

Acquired 100 items.

Completed the picture.

Earn a 5 Star rating on each stage.

Ski Flying: don't touch the sides of the track during the inrun on both attempts.

Complete a song on Expert + in Quickplay or Career (drums only)

Destroy 25 strike teams.

Learn eight entire sets of Skills. Its gold light shines with the power of every technique.