UltimateSammers

"I'll bet the undercarriage on this baby is shot." Get a family member's help on a big project

Arena Explorer Complete a Crystal Challenge in the Adventure Mode.

Twice Nightly Complete New Game Plus

Shut Down Shut down an entire Tower Network

Most Wanted Rides Own all the Most Wanted cars (Single Player)

Back to Work Earn access to and enter the Administrative Chamber

Gladiator Completed a Coliseum Attack stage

A Little Off the Top Change the appearance of 10 Dwellers in the Barbershop

Apprentice Complete Game - Apprentice difficulty. Do not change the difficulty after the game has started.

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

That Lucky Old Sun Completed That Lucky Old Sun.

Blood Bound Max any Weapon Aspect

In Storybook Endings Lock up Mad Hatter in GCPD.

The Last Laugh The joke's on who?

Perfect Aim Win a match as Deathstroke without missing a shot (minimum 12 shots)

Find all events Awarded when you find all 15 events on Big Surf Island

Double Down Played 10 hands of Blackjack.

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

Blue Spaceship Find the Blue Spaceship that appears in battle!

G.I. Blues Completed G.I. Blues.

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

Apprentice Adventurer Reach level 25.

Om Nom Nom Eat 200 food items.

No Tumbler Fumbler Picked 25 locks.

Flat-Out Complete all Speed Runs

The Harder They Fall Defeat 10 AT-STs or AT-KTs

Bag lady Find all three hidden bags in one chapter

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

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

The Bigger They Are Defeat 6 Rancors

Mauled Wreck 10 cops in a single pursuit in the Ford F-150 SVT Raptor

Tank You Very Much Complete all instances of Tank Mayhem.

Checking Out Complete Chapter 3

Parachute Climber Open the parachute and then land on foot 300 meters above the starting height.

It's a dangerous business... Complete 'The Black Rider'.

One Armed Bandit Played 10 spins of Slots.

Fine work Upgrade the Rarity of one Rare vehicle.

Out of this World Complete a kitchen in Cosmic Canteen

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

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

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

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

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

Violent Delights Kill Charlie and Fia with a single bullet.

Spelunker Complete one Tomb of the Fallen

Get A Life Get A+ on all the chapters

No Trespassing Get 10 Claymore kills in Quick Match/Ranked Multiplayer.
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Frozen in Time Finish Fractured Wastes Survey

Up and Comer Reached 20th level.

Through the Forgotten City Finish Derelict Citadel Survey