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Go for Gold! In Onslaught, acquire seven gold chalices

A good thing done Unlock all the game's levels!

Count Backwards from 5, 4, 3... Manually Tranquillise a Dinosaur or reptile

Trap Door Challenge Master Get the medal in Trap Door Challenge in time trial mode!

Seal the Deal Complete a Triumph Seal.

Lucky Stiff Found Lucky Montoya's body.

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Supernova Get 3 Stars on 20 different Echoes

Speedrunner Win a run in 12 or fewer rounds

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Apprentice Complete all the City world dojos!

Rolling Spikes Master Get the medal in Rolling Spikes in time trial mode!

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Raft Peril Master Get the medal in Raft Peril in time trial mode!

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

All Star Get 100 Stars in S.T.A.R. Lab Mode

Around and Around We Go Perform every level interaction once

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Mutt And Jeff Asked a companion to be the Bad Inspector.

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Rag Doll Apprentice Earn Bronze on all challenges

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

King of the Jungle Get the medal in the Vine Canyon alternative level in time trial mode!

Gear Five! Reach Ultimate Vault Hunter level 5.

Trip to the Clouds Get the medal in Trip to the Clouds in time trial mode!

Ring Challenge Master Get the medal in Ring Challenge in time trial mode!

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Night Chase Master Get the medal in Night Chase in time trial mode!

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Barrel Rider Ride a barrel in the spacerig for three seconds.
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Zipline Challenge Master Get the medal in Zipline Challenge in time trial mode!

Guac is Extra Find Dave the Burrito.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Honor-Bound Recover 22 COG tags (on any difficulty)
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Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Tic-Tac-Smash Master Get the medal in Tic-Tac-Smash in time trial mode!

Pacesetter Completionist Gain all stars in 'Pacesetter'.

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Stop the clock! Successfully complete any hack on the Leaderboards.

Lunar Supremacy Complete the game on Lunatic difficulty.

A light in the Temple O'Lanterns Get the medal in Temple O'Lanterns in time trial mode!

What else? Complete all the levels in the game!