EightxInfinite

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

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

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Around the World Win an event on every track at 3,000cc (no teams)

Skilled Adversary In IX have a Challenge banner with all 9 medallions

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

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Investor Sell a player and negotiate a sell-on clause with the buying club

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

D.I.Y. Escape with more than $2,500,000 in a round of either Arcade Mode or Multiplayer Ranked Match.

Backwards & Forwards Complete ALL levels in N. Verted mode

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

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Dance Off! Execute 30 enemies while holding them as human shield.

BFF! Make a best friend.

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

Bingo! Use a power-up against every opponent on the track (globals not included)

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

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

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

Social Butterfly Complete one event with each constructor

They See You Rollin' Earn 3,141 badges

Style Icon Give your pet 10 new looks

Pursuit of Knowledge Filled 80% of the Datalog.

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

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

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

The New Time-Master Beat all of Nefarious Tropy's times in Time Trial Mode.

Moneybags Have 15000 credits in the bank in Outbreak.

Is everyone here? Unlock all characters from the original roster.

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

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Public Relations Complete a Brand Exposure objective in Career Mode

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Playin' Hooky Use the Pirate hook on 5 unique ziplines.

Sleuth Unlock all intel (videos and audio files)

The Cleaner Escape as a traitor with 50% of any level’s total loot in Arcade Mode or Multiplayer Ranked Match.

Short Stack Find the mysterious visitor in the cliffs of Repugia.

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

How You Doin'? Learn the Charisma Skill.

Jeepers Peepers Acquire the Eyeball Costume.

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

Birdbrain Beatdown Defeat Araxia in battle.