CrazySockKnocker

Outgunned In singleplayer, kill 6 Helghast with headshots within a single adrenaline rush

That's Teamwork! Kill 100 enemies while playing with at least 2 other players.

Mill Worker Found All 100 Steel Ingots

Zombies 101 Complete the Zombies Tutorial

Not the Pizza Guy Finish Operation: Bad Medicine

Mountain Climber Complete the "King of the Mountain" mission.

You Are Not a Robot Completely Automated Public Turing test to tell Computers and Humans Apart

Legend In The Making In Stalingrad, protect the Partisans without missing a shot

EXTRA: Hyper The Coop Find 500 Floor Chickens.

Not Your Fairy Godmother In Campaign, throw back 15 grenades that would have killed or damaged your allies

Total Perspective Vortex Platinum

The Longest Day Complete all Single Player missions on Veteran.

Beat CoP In Shadows of Evil, summon the Civil Protector in every district in a single game.

This Wasn't the Plan Make a bubble sink for three seconds

Charted! - Brutal Finish the Game on Brutal Without Changing the Difficulty

Crime Scene Investigator Complete all Casefiles

Shielded Guardian Defeat 14th Colossus

Nowhere to Go but Up Complete 50 arena quests.

Coffee Break You found Dr. Calvino's secret stash.

Perfectionist Reach 75% completion in the normal mode or mercenary mode.

A Friend in Need You recovered Mikhaila's booster shots and healed her.

Impressive. Most impressive. Earn a total of 5 stars from Battle missions in the original game

Through Dangers Untold Complete The Final Chapter

Flash Arrow Survive 15 minutes with Keitha Muort.

Good Company Earn first place as a squad

Summon Night Survive 15 minutes with Syuuto Moonspell.

Eyes on the Prize Redeem 100,000 tickets at the Nuka-Cade

Complete all 10 Island freeburn Challenges Awarded when you successfully complete all 10 Island Freeburn Challenges. These can be completed by 2 -8 players

The galaxy is at peace… Defeated the alien invasion in Toy Wars.

Valley of the Fallen Defeat 15th Colossus

Don't go alone... Complete all the Adventure levels with another Sack Thing

Damp squib Hack a grenade before it explodes

Nanotriumph Finish Operation: Caustic Progress

Trying Everything Once Drive all 104 vehicles.

Polygonal Prizefighter Defeat Sephiroth in 3D Brawler.

People don't change. We go round in circles Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift".

Team Effort Win without any members of your team being killed.

Counter-intelligence Decipher one Extortion File

Ticket Please In Phoenix, kill 15 enemies while standing atop a train car roof

Are You Not Entertained? Complete all bouts in the Musclehead Colosseum.

Charted! - Brutal Finish the Game on Brutal Without Changing the Difficulty

WOAH YEAH! Grabbed a bushel of Bumpa

The Only Choice Given Get 8 Kills While Dangling From A Chain [FREE AIM]

Final Colossus Defeat 16th Colossus

Lombax Sushi Get swallowed by a fish.

Take the Stage Defeat your opponent and achieve victory in 3 stages.

Proving Grounds Acquire 20 traits

Outmaneuvered In singleplayer, kill 5 Helghast with gunfire while ziplining

Luminaire Evolve the Prismatic Missile.

Boo Roo Boolle Evolve the Mille Bolle Blu.