ratsinthehallway

The Wise Owl Find the Map Chamber as a Ravenclaw

Getaway Complete "Desperate Escape" on any difficulty setting.

Trophy Triumph Obtain all other trophies

The Great Escape Complete "Desperate Escape" with an S rank.

Way of the Warrior Defeat 150 enemies singlehandedly in one playthrough of "Desperate Escape."

Let's Get This Party Started! Unlock all selectable characters in Versus.

Night Terrors Complete "Lost in Nightmares" on Professional.

Shoot the Messenger Defeat 3 Agitator Majini in one playthrough of "Desperate Escape."

There's no "I" in Team Score at least 80,000 points in Team Survivors.

It's All About the Points Score at least 40,000 points in Survivors.

Morituri te salutant Survive 30 consecutive waves with at least one co-op player.

Keep the Good Times Rolling Chain a 20-defeated combo in Slayers.

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Twice Nightly Complete New Game Plus

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Run the Gauntlet Complete "Desperate Escape" on Professional.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Army of One Win 15 matches in Slayers.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Eye of the Tiger Win 15 matches in Survivors.

The Team That Slays Together... Win 15 matches in Team Slayers.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

We Will Survive Win 15 matches in Team Survivors.

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Join The Midnight Club You won a multiplayer race without damaging your vehicle too much.

Platinum Congratulations!

Teamplayer You killed 5 opposing team members.

Test of Faith Complete the game without shooting an enemy

Top The Midnight Club You won 20 different multiplayer standard races.

Taking It For The Team You were on the winning team in all multiplayer team games.

Helloooo! Wave at Splotch.

Dark Forest Complete the Dark Forest on any difficulty

Musical Genius Paint Wind on 6 or more Pipe Organ Plants in one stroke.

Crystal Artist Paint Crystals in The Crystal Meadow.

Fly The Co-op You completed "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II" in time.

Wanted You achieved the highest personal rank possible in multiplayer.

Auf Wiedersehen Petrovic You won in all variations of multiplayer games.

Clear Path Not Lost Complete the Dark Forest without getting lost once

Pro runner Complete story mode on hard difficulty.

Chapter 1 Speedrun Complete a Speedrun of Chapter 1 below the target time.

Taking A Liberty Sorry for taking liberties with your time.

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

A for effort Attain a Time Trial star rating of 35

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Still counting Attain a Time Trial star rating of 50

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.