Z_HugaMan

Necro Flambé Kill 50 enemies using the Flamethrower

Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

Think Fast Kill 30 Necromorphs with Kinesis objects

Expert Creator Complete all levels in the Tutorials

Barrel of Death - Kill 3 Helghast using your environment Kill 3 Helghast at once using the surrounding environment

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Practice makes perfect Headshot each of the targets in the gun range in Kaffarov

The Sampler Platter Kill a Necromorph with every Weapon in the game (single player only).

Looking for trouble Survive 5 waves in each of the 4 Arenas.

Death Incarnate Survive wave 30.

Involuntary Euthanasia Killed the 2 soldiers before the building fell on them in Uprising

Fancy Survive 10 consecutive waves using only custom weapons.

What the hell *are* you? Took a Russian Dog Tag in the forest ambush in Rock And A Hard Place

They look like ants Destroy all enemy ground targets and kill no allies with the rods.

Fully Loaded Simultaneously have four completely upgraded weapons

Safeguard Complete round 20 in safeguard.

Melonpopper - 15 headshots using the sniper rifle Get 15 headshots using the VC32 Sniper Rifle

Fragmartyr - Kill 2 Helghast whilst taking your own life Kill 2 Helghast at once and take your own life using a single frag grenade

Morituri te salutant Survive 30 consecutive waves with at least one co-op player.

The Nanny Kill 30 Crawlers without detonating them

That's How We Roll! You unlocked the special ability of Brucie's helicopter ride.

Epic Dismemberment Dismember 2,500 Necromorph Limbs (single player only)

Gobble Gobble You got a turkey in 10-pin bowling.

Any Means necessary Get 50 kills with the electric fence and fire traps in one game in Regular or Hardcore difficulty.

Stick it to the enemy Survive 15 consecutive waves using the analog combat controls.

Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger

The Professional Completed the street chase in Comrades in under 2 minutes 30 seconds without dying

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Elevator Action Knock off every Tripod during the Elevator Sequence

Blade Runner - 75 kills with the knife Kill 75 Helghast using the knife

Babysitter - Revive 25 Buddies Revive your buddies a total of 25 times

Paint Splurge Fire 5,000 paintballs

Finish Him You completed 10 melee counters in 4 minutes.

No Man Left Escape with all four players in Regular or Hardcore difficulty.

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Liberty City (5) Your friends all like you above 90%.

Rexecutioner Destroy the Metal Gear REX boss

Butterfly Took down the jet in one attempt in Rock And A Hard Place

Semper Fidelis Completed the campaign story on Hard

QuickFire Artiste Fire 40 paintballs in under 5 seconds

Trash Picker Scavenge 40 items in a single game in Regular or Hardcore difficulty.

Mission Impossible Complete the game on Zealot setting

Throttled Escape Escape using a relic in Regular or Hardcore difficulty.

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.