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Brainteaser Rescue the fifth hostage from Riddler

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

Right 4 Life Complete act 1 with 4 different characters.

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

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.

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

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

The Whole World Went Away Collect all other trophies.

Illumination Light a darkened pool.

Genius Rescue all the hostages from Riddler

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

Serrated Edge Finish a Juggernaut with a knife.

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

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

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

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

Clean Cut Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)

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.

Storyteller Have 12 murderous dates with Calendar Man

Mission Accomplished Complete Not a Hero on Easy or Normal difficulty.

Wave and Smile Play any Arena in co-op.

Scout Leader Collect 46 Intel Items.

Urban Completely awaken the city.

Lawnmower Man Kill 4 enemies with the same Ripper blade

Do Not Shoot the Water! Summon the master of the lake. Don't rock the boat.

Peek a Boo! Kill a Stalker with the Seeker Rifle while in Zoom Mode

Out of honey? Chew bees! Survive 5 waves using only your fists and legs.

Roadkill Kicked the car and killed the soldiers in Uprising

Burned His Mansion Kill Luigi Palladino

Romantic Real guys know how to dance

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness

Coward Kill Cedro Valdez

Extreme Firefighting Set 5 enemies on fire and then kill them with explosives.

Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

2 guys 1 Pole Kill 2 enemies with one javelin

It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state

Bonnie & Clyde Wannabes Kill Jean-Luc Lambert and Amelie Dubois

Should Have Called 555-2368... Survive the battle against the Hell Beast

Expert Creator Complete all levels in the Tutorials

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

The Brotherhood Crumbles Complete Vendettas Campaign

Think Fast Kill 30 Necromorphs with Kinesis objects

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Skeet Shoot Throw an enemy into the air and kill him with gunfire before he lands