TheImperatorREX

Mr Gold Collect 4,000,000,000 LEGO studs

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Eddie Is Back Complete Eddie's Challenge

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.

Talion A.D. Descend into the bowels of an urban jungle and confront a warrior-priest.

Duke Angry, Duke Smash! Kill 15 aliens with melee attacks while on steroids

Beating the One-Eyed Worm Defeat the Leech

Chaotic Whispers Acquire 10 Caches of Chaos from the Tree of Whispers.
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Impossible Mission Succeeded at 3 dialog conversation checks with a single disguise.

Meeting Resistance Weaken the Atlantic wall and rendezvous with Blue Viper.

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Competitive Nature Complete at least one match in each mode

That Good Connect Sold a single batch of weed for $10,000 or more

Tenacious Traceur Wallrun, Turn, Jump, Wallclimb, Turn, Jump, Wallclimb, Turn, Jump

Instigator Start a Spectated Arena Fight in a Settlement

Just Getting Started Get 100 kills in Quick Match/Ranked Multiplayer.
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Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

#10 Downing Street Reach Career level 10.

Trick Arrow Skills Shoot a Lizard with a Special Arrow

No Retreat Execute a PERFECT escape

Pull the Lawnmower Over! Drive a lawnmower as Rex Fury

Yes, Very Subtle In solo play, complete a level without using your Abilities, including rush and melee

Give me the good stuff Buy an item from a merchant's VIP stock

Ride the Vortex Travel to a new reality using a Lumivista TV

The Thing Eric helped Rachel purge her infection

Warp Mastery ME1: Use biotic Warp 25 times

Pied Piper Entice 10 Stormtroopers to leap to their deaths with Mind Trick.

Talk of the Town Get over 1,000 fans in any area.

The Royal Protector Finish the game with Corvo Attano

Retro Survive the arcade game reality

Equipped an Elite Coil or Weave Equipped an elite coil on a weapon or an elite weave on an outfit.

Mighty Soldier Defeated 1,000 enemies.

One Lost in Madness Ran out of time in brain field.

Principled ME1: Accumulate 75% of total possible Paragon or Renegade points

Giant Crown Collector Obtain a gold crown for 10 or more monsters that appear from low or high rank.

I just love them! Win all the creatures

Herbalist Reached the Max Herbalism level

Into the Abyss Withstand and overcome the Chaos invasion

Border Master Discover Petria's fate

Gladiator school Survive 15 consecutive waves with each of the 4 characters.

Dagon Defeat Dagon, Lord of Hell.

Lovers Quarrel Green Arrow must defeat Black Canary with the final hit coming from Target Practice

Firebug Defeated the LU-74 "Firebug"

Best star pilot in the galaxy Destroy 10 TIE fighters within 2 minutes on the Beggar's Canyon mission

Hippy-Stomper Foot stomp 12 aliens

Detective Story Complete the Squats' detective board.

Moving On Up! Collect 20 Specter Coins.

Companionship Reached Bond Level 6 with an ally.

Promote Synergy Provide assisted reload for a teammate.