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Till All Are One Completed all chapters on any difficulty.

The Rock Or The Hard Place Chose to either infect or cure Eridanos.

Alive And Kicking (And Shooting Too!) Discovered the biggest secret in the aetherwave industry.

Badge Earner Earned 10 Badges

You Have Selected Regicide! Killed the Slug Queen.

Put Out of Their Happiness Killed 50 Infected Humans or Parasites.
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Toy seller Find 3 toys in New Game+ mode: teddy bear, sun and fish.

Wisdom of the Woods Collect 10 of every Reagent.

Murder on Eridanos Completed Murder on Eridanos on any difficulty.

Xenocide In single player Story mode, kill one of each type of alien.

Just Browsing? In single player Story mode, spend 30 minutes or more in the Intex Terminal menus.

AMG Champion Win the 'AMG' Trophy event on gold star difficulty.

Tough as nails Win all storyline campaign missions (not including What-If missions) playing either Online Versus, or in Hard mode

Up to the Challenge Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.

Synthesize This Found Olivia Ambrose's journal.

Tic Tac Toe Own a Modern, Retro, and Muscle car

Beatdown Kill 50 enemies with melee attacks in a single player campaign.

One Lap Wonder Earned Gold in all One-lap challenges in Mission Challenge

Peril on Gorgon Completed Peril on Gorgon on any difficulty.

The Name's Bomb, Dangerous Bomb Take out 3 CPU players at once in a Local game.

Back Stage Pass You gained access to Quinn's secret store.

Gun Nut Collect all the weapons in a single player campaign.

Cleanest Hands You completed The Brigmore Witches without killing anyone

Combat Veteran Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.

Sakura Completionist Gain all stars in 'Sakura'.

The Learn'd Scholar When the proofs, the figures, were ranged in columns before me...

Apex Predator You performed a takedown on Burke without being detected.

Gone Dark Complete all Covert contracts

Clean House Complete all Demolition contracts

Apex Completionist Gain all stars in 'Apex'

Denied Defeat a boss before it can escape.

All of the Above You managed to save Dr. Kavanagh and all the prisoners, too.

That Old Adage Apparently, your CASIE augmentation doesn't work on everyone...

Perfect Execution Complete all Precision contracts

Never Forget You revisited the site where Belltower discovered and captured you.

Fighting Light Finish any single player level without using an item.

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Dedicated To The Cause Complete all Covert, Demolition and Precision contracts

That mine you found? Disarmed! Spot a mine which is later defused by another Engineer

The Boy Who Could Run Complete all Parkour Fever Challenges

Navigators Build an Exocraft

Electrifying Stun 10 aliens with one stun grenade (or witness another player doing this).

First Promotion! Master Zangief sent me flowers to celebrate me moving up a league for the first time! I can't read the card with all these tears!

Break Out the Arsenal Fire every weapon and use every item in single player.

Campaign Veteran Complete all single player levels 1-5.

Millionaire Earn 1,000,000 Vektan dollars

Proving Grounds Won JR's GTR Challenge

Relentless Chaser Earned Gold in all Catch Up challenges in Mission Challenge

Together Till the End Be the last man standing

Souvenir from Le Mans Took a Scapes shot featuring the Circuit de la Sarthe and the Audi R18 (Audi Sport Team Joest)