AH45

One Too Many In Zetsubou No Shima, throw up.

Guns Are For Wusses Get 25 kills with your Fists in a single level.

Seeds of Doubt In Zetsubou No Shima, the one must be saved.

Those Things Were Huge Eliminate 2000 elite enemies.
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O-O-O Castle queenside

High Voltage Kill 1000 enemies with electricity.
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Overkill Kill only a single enemy with a BFG9000 blast.

Challenging Complete 50 Challenges.

Adaptation Absorb 1250 damage with Wrecking Ball's Adaptive Shield without dying in Quick or Competitive Play.

In The Hallow Allow your world to become Hallowed.

Served Up Get a killing blow as Ashe on an enemy knocked into the air by B.O.B. in Quick or Competitive Play.

Pet Collector Find all the pets!

Epic Party Throw an awesome party.

Dream Big Complete a Lifetime Wish.

Armory Collect all the armor sets.

Assault With Battery In Zetsubou No Shima, electrocute a zombie with a shield.

Compulsive Collector Collect all of the World Collectables in the game.

Cryogenic Slumber Party In Moon, complete Richtofen's Grand Scheme.

All My Personal Friends Level 30 weapons to four stars on a single character.
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Vaporeyezed In Gorod Krovi, use the Gigant Beam to kill 20 Zombies in one activation.

FIR Collector Hit all fairways in regulation in an 18 hole round.

Maxed Out Reach Level 25 in the Player Career

A Man and a Half Get 20 kills using the berserk powerup in a single level.

Bowling for Gibs Gib three or more enemies with a single rocket explosion.

Not Twice, But 10 Times Complete 10 Opportunities.

Dressed for Success! Purchase all of the costumes.

Cookin' With Plasma Kill 5 enemies in 5 seconds with the Plasma Rifle.

Shoot It Until It Dies Finish off a Cyberdemon with the Pistol.

What A Bounder! Perform 10 Wall Jumps without touching the ground.

Until It Is Done Get 100 Chainsaw kills.

Alternate Dimension Find a secret level.

DOOM Reach the end of 'DOOM'.

Partners in Crime Become a partner of the Paragon Personal Private Charity Warehouse.

Standing Ovation! Ace all 5 Muppet Story Levels

Herbal Remedy In Zetsubou No Shima, use a plant to return to life.

En Passant Perform an en passant capture

The Only Thing They Fear Is You Complete any monster-filled level with 100% kills without getting hurt on Ultra-Violence or higher.

Masterminds GTA Online: Complete all 3 Criminal Mastermind challenges in The Doomsday Heist.

Skeet Shooting Kill 4 enemies in 1 shot with the Super Shotgun.

The Final Descent In The Frozen Dawn, enter the lost city of Thule.

Sim About Town Attend a town event.

Stick It To The Man Destroy the boss in Just Desserts

The Perfect Fit Equip a fitting.

Scratch Golfer Earn a Handicap Index of Scratch (zero) or better.

Path To Success Use the Motion Recorder to record your movements

Throw a Dog a Bone In Blood of the Dead, feed a wolf head from the Gondola, Citadel, and Model Industries in a single game

Ultimate Cosmic Power! Fully upgrade all of the costumes in the game.

DOOM II Reach the end of 'DOOM II'.

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

My Kind of Crazy Finish a mission on Insane Difficulty.