Groome666

Cleaning time! Suck up all toys using the vacuum cleaner.

Blast Corps Kill 30 enemies with explosion damage.

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

EXTRA: Astral Stair Reach Level 80 in Inverse Inlaid Library.

Going Ghost! In Sports, win a game with yarn ball vs CPUs with a 10 score lead

Smashing! In Sports, win a game with plankton ball vs CPUs with a 10 score lead

Better than the Turkey Jerkies! In Sports, win a game with Tommy ball vs CPUs with a 10 score lead

In Storybook Endings Lock up Mad Hatter in GCPD.

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

Getting to Know the Family Play at least once with all standard brawlers in a local battle

Cat Claw Defeated 10 enemies with one Spiraling Claw.

Headcase Headshot a Demolition mech 20 times.

Move it, Football Head! In Sports, win a game with football vs CPUs with a 10 score lead

Pole Position Complete go kart street races.

Completionist Completed all missions in Secret Armory

Momma's Boy Complete 30 Errand missions.

Oversight Become Overseer

Family Matters Killed all the Hacketts

Doctor Fate-Ality Perform 3 background bounces on the Empire Theatre background

Justice League Unlock all Justice League characters (Single Player Only)

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

Silent Knight Complete a predator encounter using only silent takedowns in the Main Story

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

Bag lady Find all three hidden bags in one chapter

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

Kat's Daily Routine Completed 20 side missions.

Globetrotter Awarded for setting foot in all secluded regions.

Nuregami Learn how to use Watersprout.

Master Mechanic Fully upgrade all weapons in Campaign Mode

Possible futures Found all of the white framed Pictures

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Get A Life Get A+ on all the chapters

The Final Countdown You showed millionaire Hugh Darrow that his logic was flawed.

Know DP? Know madness Complete the game on Ultra-Violence! difficulty

You got a better way? Maxed Conrad and Fliss's Relationship

I Had To Put Him Down Kill a Caragath with an Execution.

Blessed by the Gods Choose 100 different Olympian Boon effects

Tour de Bullworth Travel 100 km on the bike.

Take Me To Hell Complete Act 2 - Chapter 1 on any difficulty setting

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

Dual Nebula Achieve a high score on Consumo, Nut Shots, and Monkey Fling arcade games.

The House of Luthor Obtain more than 10,100,000,000 Studs (Single Player Only)

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

Frozen in Time Finish Fractured Wastes Survey

Beside Yourself Awarded for completing 100 side quests.

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

GO NINJA GO!!! Play 50 local battles