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The First Chaos Emerald Acquire a Chaos Emerald.

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

Gran Turismo Rally Complete the "Gran Turismo Rally" Special Event.

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

Professional Reach Rank 10 (Ranked Match)

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Taking Flight In Gorod Krovi, ride a Dragon.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Time Master Completed Singularity on Hard Mode

Day 2 Mastered Complete all Day 2 challenges at gold level

Bulldozed In Ground Control, crush 25 enemies while driving the tank

Zombie Genocide Master Kill 72,000 zombies

Helpful Stranger Revive a player from a different Squad in MWZ

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

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Mother My Brain Hurts Discovered the strange E99 specimen and what it morphs people into

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Gotta Catch'em All Collect all secrets.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Bike Win 5 Festival races using a Bike

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Loot and Pillage Collect $1,000,000

The third faction Rescue all the Buddies from their respective predicaments

Cleared: Metal Slug Beat Metal Slug.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Head Trauma Use every type of melee weapon on a zombie

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

You Can Pet The Dog Pet a Hellhound in MWZ

Tumbler Perform an impressive Barrel Roll

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

That Party was Ace Ace every Adventure level in The Journey Home.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Mercy Kill 5 enemies while they are on fire in Chapter 3: Fire Sale

Slumming Complete all the Midtown missions in a single player campaign.

High Wire Act Kill 10 enemies while using a zipline