Destroy ten enemy robots with melee attacks.

Level a weapon up to maximum operational capability.

Complete Act 1.

Scan and acquire all weapons.

Destroy an incoming missile or grenade.

Complete all DARPA training exercises.

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

Rescue all the hostages from Riddler

Rescue the fifth hostage from Riddler

Rescue the fourth hostage from Riddler

Collect all of Batman's gadgets and upgrades

Collect enough evidence to locate the gun for hire