ProfessorGRIMM

Up to the Challenge 1 Complete 10 challenges.

The Useless Trinket Earn the first of Skelly's prizes

Think No Evil Defeat Shamura.

Let it Slide Bank more than 2000 points in a single drift.

Hammer Havoc Kill an enemy with a thrown hammer bouncing at least once before kill

Scuba Diver Mice spend a total of 600 seconds underwater.

Forspoken Earn every single trophy.

Guardian Do not allow any friendly armor to be destroyed during Act 3-5.

...The Harder They Fall Destroy every Surveillance Airship

Unseen Predator Remain in Zer0's Decepti0n mode for 10 seconds straight.

Undertaker In The Final Reich, kill the Bomber with the shovel.

Powered by Steam Collect all the items (Steam Cells) on Airship

We Will Survive Win 15 matches in Team Survivors.

Whispers on the Wind Collect all ECHO logs on Xylourgos.
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Last Action Hero Help Garland King finally finish her picture

Parasite-Seeing In Shadows of Evil, kill 5 Parasites while riding on the train.

All the Gears Earn 5 Gears in every Challenge.

Against all odds Defeat any Boss without taking damage

Extra strong Upgrade the Health Potions

Diamond Medal Defeated all bosses using Diamond Knack

Denied First Jammer use that affects a Cop

Broken, Restored, Empty Complete the first Hospital sequence

#10 Downing Street Reach Career level 10.

Gasoline Cowboy Rescue your allies with the Sherman while keeping your armor above 80% in Collateral Damage.

Gnomad Complete GnoMAD

Well Versed Fully Unlock the Olympians' Codex entries

Cult Following Complete your first steps on the Path of the Sacred Crotch

Complete your 1st Party Round Awarded when you complete the 1st Round of your 1st Party.

The Gift that Keeps on Giving Experienced all 9 Game Modes and all 9 Modifiers of the Mutator.

Darkseid on the Moon Play as Darkseid on the Moon

Truck insignia 'East' Trucks can drive on all of Island 4's bridges.

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

The best laid plans Work with a Buddy to subvert a mission offered by a faction

The Ice Witch Freeze 20 enemies while wearing Odette.

Capped Out... For Now Reach level 35.

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Supaa-Excellent! Shoot down a helicopter with a Saints Flow fireball.

Car insignia 'Ridge' Cars can drive on all of Island 3's bridges.

Krypto Come Home Play as Krypto in the Man of Steel level

Among the Stars Completed "Among the Stars"

You're THE Driver, baby Win all trophies..

Light up the Manhattan Spirit during an Online Challenge Awarded for using the flashing lights of the Manhattan Spirit during an Online Freeburn Challenge or Timed Challenge

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

King’s Maker Complete 10 Royal Demands (Wrath of the Druids).

Knowledge is Power Uncover the mysteries of the Lost Tomb of Otorongo

Road Rage 2 Smash 100 vehicles

Winner Takes All, Again 100% Just Cause 3.

The Heat is Off Escape successfully from all Heat levels

Wild Card Completed Wild Card.