Deleteabix

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

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

Thunderball Collect all power weapons.

Style Pro Discover all Brush Styles

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

It's Nice to Be Wanted Defeat each of Gotham's Most Wanted present during the KELVIN Incident

Hired Gun Complete 20 Contracts in MWZ

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Element of Surprise Break Supercharged criminals 50 times using Elemental Effect weaknesses

And STILL Champion... Defend a Title in a Championship Scramble match on Legend difficulty (single player only).

Ultimate Samaritan Pick up all litter

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Master Decorator Collect all decor

Clothing Hunter Collect all clothing items

Pros Only Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.

The Whole Picture Do everything you can do

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Dressed for the Fest Collect all of the boy's costumes and equip them.

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Frequent Flyer BASE jump and travel more than 150 m with your parachute

Jelly Belly Burst Burst a gordo slime

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Collector Acquire all items available in normal time attack

A for effort Attain a Time Trial star rating of 35

Technical Wizardry Succeed at a cumulative total of 100 reversals (single player only).

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Utility Man Complete all Missions intercepted from cellular tower signals

2010 Hall of Fame Nominee Induct a Superstar into the HALL OF FAME.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Ball Pit Jump into a corral containing at least 40 slimes

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

All Star Get 100 Stars in S.T.A.R. Lab Mode

Around and Around We Go Perform every level interaction once

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

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

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)