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Rexecutioner Destroy the Metal Gear REX boss

Realized Potential Learn all the spells that can possibly be learned.

Adios George (Beast form) Defeat George (Beast form)

Riders of the Lost Heart Complete Act 2 - Chapter 4 on any difficulty setting

Just Your Shadow Distract the same enemy 3 times with shinobi bells

SpongeLock HolmesPants Find the secret Spatula in every level

Faction Champion Reach level 50 in any faction

Best of the Bunch Earn the MVP award in any Online Tournament match

LOCK 'N' LOAD Collect and use each type of weapon.

Tower Offense Climb the asylum tower without alerting any nurses

Showing Who's Boss! Hit 50 Hoard minions in Story mode with any weapon

No pain, no gain! Dealt 2000 damage in Practice mode.

Off the Richter Scale Defeat Boss Lumbering Fool

Frequent Flyer Zip Kick 5 different thugs

LIGHTS OUT Drive through 15 lamp posts in London Arena.

On Instinct Complete the Mother Boss Battle.

Chase the Morning Add a sumi-e to the Hideout

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Win, lose or die Win the auction

The Good, the Bad and the Krabby Catch Mr. Krabs in under 3 minutes

MAKE THEM QUAKE Hit any opponent 2 times with the Satellite Quake weapon.

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Archivist Unlock 80% of the Archive.
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Short fuse Shoot at an enemy while he's throwing a grenade

Take part in an Online Marked Man Awarded for taking part in an Online Marked Man.

BUSHWHACKED! Drive through 6 hedge sculptures in the Castle Courtyard in Hyde Tour.

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

GREAT Gladiator You won a GREAT battle.

BASH 'N' CRASH Side bash 100 cars.

No Conjurer of Cheap Tricks Expend 1500 Ki using Kuji magic

Paragon Learn every spell.

Oh, Great, You Found Them! Help find and return the Foreman's little Tikes.

Take part in an Online Stunt Run Awarded for taking part in an Online Stunt Run.

IN YOUR FACE Drive backwards for 15 minutes.

To Infinity, and Beyond! Hold 9 lives at any time.

A Kontender Complete 1 Tower Battle

All Snug in Their Beds Uncover the secret history of the park.

Feeding the Pig Singleplayer: In Compromised, get 15 kills with the M60

The Original Bouncer You pulled off 10 bound combos.

TOKYO VANDAL Drive through 17 street signs in a single Tokyo race.

Get Jackhammered Defeat the Jackhammer.

Abominizer Defeat all four abominations.

This is Japan, Actually Kick an enemy from a high place

Giant Slayer Assassinate a powerful guardian in one go

Nobody lives forever Find 009s body

Outstanding! Achieved a great victory. (Excluding offline player battles)

Fire in the Hole! Defeat 3 enemies at once using the Explosive Barrels

TRACTOR TIPPER Tip 3 tractors in a single Canyon Run, Timberline Sprint event or Radiator Springs Arena.

Stunt Driver Get 100 stunt driver points.

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"