GeneticMutation

Bone Breaker Kill the Bone Sperm Whale

Roguelike DLC Vietnam: Complete the game in Survivor Mode (Host only).

Tactician Earn 1 star in each mission of Special Ops Mission Mode.

One Way To Do It Endurance Challenge: Warm up from freezing by standing in fire

Spinning Leaf Cold Darkness Challenge: Get 5 headshots with the regular arrows in 1:00

Atomic Bomb Acquire 100% of the Atomic Evolution set

Seeds of independence Liberate 500 slaves.

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

Twice Nightly Complete New Game Plus

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

40 and Flirty Reach level 40

The Last Laugh The joke's on who?

Veteran Status Qualify from 500 rounds

I Had To Put Him Down Kill a Caragath with an Execution.

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Perfectionist Cold Darkness Challenge: Shutdown all the towers without making any mistakes

DLC: Zombies: Blood Zragon Kill the Blood Dragon in Killer Climate.

DLC: Zombies: ReZolution Complete all 7 movie pitches.

Squad Goals Win an Episode as part of a party of 3 or more players

Infallible Win 5 Episodes in a row

Fast Reflexes Endurance Challenge: Destroy 3 ceiling spike traps after being caught in them

Fan Fare Eat all the Questers

His Full Attention Freedom Cry - Achieve 100% synchronization

Four-Star Rank Defeat Adm. Barbara Terranova

Wretched Retch Use a Wretched Graug's Projectile Vomit on an Uruk Captain or Warchief.

A Painful Blockage Summon five Shades in a single Rivals match.

A Dinner for Two Endurance Co-op Challenge: Eat the meat of 3 wolves with your partner

Happy Camper Endurance Challenge: Survive for 5 days

Who Needs a Map? Endurance Challenge: Locate 5 crypts

Track Star Get first place in a racing round 20 times

Rattle the Hive Bait 10 Ghûl mounds.

Sword Master Perform 14 hits in one combo.

Paint Splurge Fire 5,000 paintballs

Island Queen Complete all objectives in the Plover Island Complex

Still Tastes Good Endurance Challenge: Eat the meat of 5 wolves that were killed with poison damage

DLC: Zombies: Killer BeeZ Destroy all the Zom-bee nests in Laboratory of the Dead.

Nature Retreat Endurance Challenge: Survive for 7 days

T-Bone: Friends in Need Complete Act 1

Overachiever Earn 48 stars in Special Ops Mission Mode.

Apex Eater Kill the Atomic Leviathan

O Mother, Where Art Thou? Have 20 Branded Ghûls at one time.

Burning Shadow Shadow Brand 20 Uruks.

Perfect Timing Complete 100% of the Time Trials

Nom Nom Nom! Eat a captain with a Wretched Graug.

The Most Dangerous Game Defeat all the Beastmaster Warchiefs.

Martial artist Perform a melee hit from a wallrun

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

On the clock Beat the qualifier time on any Time Trial stretch

Honor Bound Bind a piece of gear to a class.