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Doublecrossed Eliminate GRIFTER.

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

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

Ugly Tastes Terrible Play poorly during the final showdown

Aerial Threat Score a header with a player with the Aerial Threat Speciality

Sniper Master Deliver 100 headshots.

No One Expects the Hot Wheels Expedition Arrive at the Horizon Hot Wheels Outpost

Better Than New Restore 14 Barn Finds in México
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Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

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

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

GD Parkour Instructor Complete all Parkour Fever Challenges at night

Together Till the End Be the last man standing

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

In the Game Play a women's football match

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

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

Syngenesophobia Defeat the brothers.

For Colin You've won the Colin McRae Challenge Event.

Come Back To Me Kill a Sectoid who is currently mind controlling a squadmate

Back To School Kill all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo")

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

Atomic Obliteration - Complete all the Challenges

Body Builder Defeat a Giant Skeleton as Uay Pek's Head

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Katagelasticism Mock the traitor.

Moneybags Have 15000 credits in the bank in Outbreak.

God Among Men Kill 250 total enemies during Slo-Mo

Silence of the Llamas Expel the Infestation at the Farm

NDA Protocol Destroyed the Synthesizer.

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

Steal the Show Perform with the Dead Band at the Mariachi Club as El Muñeco

Requesting Flyby Entered and exited the pit lane without losing a position (cannot be in last place)

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

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

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

Creatures of the Earth Capture a hole-digging creature from every region.

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

Greenlight Protocol Powered the reactor.

Turkey Shoot Reach combo level of 20.

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

Act II Complete Act II.

They Came From the Lake Liquidate the Infestation at the Lake

Finish Him! Eliminate SCORPION.

Poking the Bush Collect all secrets in Act 1

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.

Demons on a Plane Obliterate the Infestation at the Crash

The Flying Dead Abolish the Infestation on the Mountain

Down Under Win the 'Showdown: Hammerhead' Career Event

Blood Bank Kill 10,000 enemies