Complete all 40 of the Catwoman Riddler grid items

Perform a perfect combo including all of Batman's combat moves (any play mode)

All the world is a stage

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

Fight for survival

Rescue the second hostage from Riddler

Reveal the mystery watcher

Stop the contract operative

Reunite the separated couple

A deadly game of hide and seek

Track down the serial killer

Uncover the secret of Arkham City

Stop the unstoppable