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Walking the Dinosaur Spend 30 minutes with Raptor Ned as your homie.

A Very Genki Holiday Complete all instances of Genki Holiday.

Make a List, Check it Twice Complete all instances of Naughty and Nice.

Aggravated Assault Stop all assaults in Arkham City

10 heads are better than 1 Kill 10 zombies in a row with headshots.

He's Still on the Naughty List Deliver a present to Zinyak in 'The Santa Clawz'.

Health Inspector Destroy all the green polyps inside Paul in 'Pop His Top'.

Fully Loaded Collect all of Batman's gadgets and upgrades

Rootin' Tootin' Lootin' Loot 5 Exceptional Weapons.

50x Combo Complete a combo of 50 moves (any play mode, any character)

Dr Frankenstein Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain

Rigging the Race Destroy all the rival pony carts in 'At the Races'.

Get that Kid to a Psychologist Find all the snowmen vignettes in the North Pole.

People Person Play with 10 different co-op partners for at least 15 minutes each.

Ultimate Hot Potato Get 100 kills with the Grenade Launcher.

Hello Little Friend Get 250 kills with the Minigun.

OMGWTFBBQ Get 100 kills with the Flamethrower.

A World Without Christmas Complete the holiday text adventure.

Light my fire Set 10 zombies on fire simultaneously.

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Oh, no you don't Kill a Ram using tackle skill.

There and back again Explore the entire island.

Intellectual Rescue the fourth hostage from Riddler

Brute Juke Kill a Brute without taking damage

School of hard knocks Reach level 50.

Family Jewels Retrieve your stolen goods

Danger Close Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."

Birdie Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.

Beginning The dream has just started...

Wind Play with the windmills and ride the wind seven times.

Strike! Kill 5 enemies with a single grenade.

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Kill Box Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Right 4 Life Complete act 1 with 4 different characters.

Brainteaser Rescue the fifth hostage from Riddler

Well Begun Is Half Done Complete 10 levels in Score Attack with a gold score

Illumination Light a darkened pool.

Treasure Hunter Collect 75% of the prize bubbles on the story levels

The Whole World Went Away Collect all other trophies.

Serrated Edge Finish a Juggernaut with a knife.

Way to Go Complete every level in Score Attack with a bronze score or better

Golden Child Complete every level in Score Attack with a gold score

Platinum You unlocked every trophy in the game

Flight Attendant Kill all 5 enemies during the zero-g sequence in "Turbulence."

Scrap Metal Destroyed 6 enemy tanks before reaching the fort in Thunder Run

Genius Rescue all the hostages from Riddler

Nein Kill 9 enemies with A-10 strafing runs in "Scorched Earth."

Bouncing Betty Kill a Cyst by catching its Mine and throwing it back

Stars Release all of the names to the sky.

50/50 Complete a Special Ops Mission Mode game with the same number of kills as your partner.