RedDwarf17

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

Specter Officer Reach max level with one class in the Cooperative campaign.

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

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

World Peace... For Now Beat the game on all difficulties.

Syngenesophobia Defeat the brothers.

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

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

Moneybags Have 15000 credits in the bank in Outbreak.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

A for effort Attain a Time Trial star rating of 35

Greenlight Protocol Powered the reactor.

Spectrum Needler Buddy Acquired Spectrum Gatling, The Needler, and Udder Buddy.

Slice and Dice Kill 4 enemies with a single use of Genji's Dragonblade in Quick or Competitive Play.

Katagelasticism Mock the traitor.

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

Provocateur Collected and assembled the Battledress of the Provocateur. ("Leliana's Song" downloadable content)

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

Seal the Deal Complete a Triumph Seal.

The 40-Yard Digital Dash Breach: Succeed 3 Data Sphere deliveries.

Waste Not, Want Not Get 3 solo kills with a single clip of Reaper's shotguns in Quick or Competitive Play.

Tourist, Shivering Isles Entered the Shivering Isles

Interception Grapple to an Agent who's reeling through the air, and reel-kick them

Lucky Stiff Found Lucky Montoya's body.

Forever Marked Progress the story to unlock.

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

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

Pursuit of Knowledge Filled 80% of the Datalog.

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

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

Movie Critic View 79 Active Time Events.

The Ultimate Sword Obtain Excalibur II.

Silence of the Llamas Expel the Infestation at the Farm

Extraordinary Popular Delusions Had all happiness values above 50

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

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

Keeper of the Vigil Saved Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)

The Power of Rico Compels You Exorcise the Infestation at the Church

Day 0 Completed "Day 0"

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

Sleuth Unlock all intel (videos and audio files)

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

Insanity II Complete two games in Mass Effect Legendary Edition on Insanity without changing difficulty

Prod off Kill 5 worms with the Prod weapon.

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

Back to Niflheim Deliver the final blow to defeat a Dark Jötunn in any Mode

They Came From the Lake Liquidate the Infestation at the Lake

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

Rare and Exceptional Purchase Armor, a Charm, or Vanity Gear from Masujiro the Melodious in New Game+.

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