DADYBOOM2

A Second Chance Complete New World on Hardened, Veteran, or Realistic.

Scout Enlistment Reach Scout Rank 2 in multiplayer

Thu'um Master Learn 20 shouts

Puzzler Rescue the third hostage from Riddler

Athena, Out Rescued Athena

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

Support Enlistment Reach Support Rank 2 in multiplayer

Decorated Reach Rank 1 with all 4 Infantry classes in multiplayer

Predator Silver Achieve 16 medals on predator challenges

Common Courtesy Discover and complete all unwritten tales on Iki Island.

One with the Shadows Returned the Thieves Guild to its former glory

Ding! Overleveled Reached Level 51

Master Criminal Bounty of 1000 gold in all nine holds

Aggravated Assault Stop all assaults in Arkham City

Undercover Obtained the Spy costume.

New Recruit Obtained the Special Forces costume.

Fully Loaded Collect all of Batman's gadgets and upgrades

A Time to Play Completed “A Time to Play.”

50x Combo Complete a combo of 50 moves (any play mode, any character)

Speed Kills Destroyed a Lancer while in a Racer

Head of the Household Cleared every mission and challenge mission in the Maid Pack.

The Rules of War Completed “The Rules of War.”

Oblivion Walker Collect 15 Daedric Artifacts

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

Rooftop Walker Earned a silver medal or better in Auldnoir Free Race II.

High Tide Complete In Darkness on Hardened, Veteran, or Realistic.

Predator Gold Achieve 24 medals on predator challenges

The Dreamlife of Ghosts Completed “The Dreamlife of Ghosts.”

Apprentice Plumber Earned a silver medal or better in Endestria Energy Race II.

Platinum Trophy Collect all other 50 Trophies for this Trophy

Depot Demolition Destroyed Lance Depot

Mushroom Slider Earned a silver medal or better in the Rift Plane Sliding Race.

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

Knoxx-Trap Killed General Knoxx-trap

Steele-Trap Killed Commandant Steele-trap

Ned-Trap Killed Dr. Ned-trap

Muerte la robo-lución Killed the Interplanetary Ninja Assassin Claptrap

The Phantom of Bravery Completed “The Phantom of Bravery.”

Second-String Pitcher Earned a silver medal or better in the Pleajeune Pitching Challenge.

Unlimited Shifter Earned a silver medal or better in the Rift Plane Unlimited Time Attack.

Grand Opening Purchase something from Baku the Voiceless in New Game+.

Recycler Defeat the Goliath in the single player Campaign.

Belly of the Beast Complete Provocation on Hardened, Veteran, or Realistic.

Intellectual Rescue the fourth hostage from Riddler

Rampage! Kill 40 hybrids in the single player Campaign.

Time Out Win a match by time out

Maximum Shifter Earned a gold medal in the Rift Plane Unlimited Time Attack.

Brutal End Perform 1 Brutality

Truffle Slider Earned a gold medal in the Rift Plane Sliding Race.

Special Forces Cleared every mission and challenge mission in the Special Forces Pack.