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

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)

Hippy-Stomper Foot stomp 12 aliens

Fresh Out of the Package With Koller's help and the Neuroplasticity Calibrator, eliminate overclocking for experimental augs.

Denied First Jammer use that affects a Cop

Sorry, we’re DEAD In Shadows of Evil, kill 10 zombies that are inside of a store in one game.

We Are Human Beings You completed Deus Ex: Mankind Divided™ on any difficulty.

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Easy Runner Springboard, Wallclimb, Turn, Jump, Coil, Skill Roll

The best laid plans... Win both Contraption Challenges

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

Scorched Earth Destroy all enemy vehicles and mortar teams while defending Firebase Ripcord in Fracture Jaw.

Platinum Congratulations!

Promote Synergy Provide assisted reload for a teammate.

Not So Big Now, Are You?? Defeat A Mini Boss In Invasions

Mind Trip See all seven memory endings and play through all four path ends in Break on Through.

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

Feeling Stronger Reach Invasions Level 5

Wall of Duty Kill three Enemies with the Riot Shield in the Campaign or in Co-op.

Kill it with fire! Kill 100 enemies using fire damage during the same mission.

Here Kitty Kitty Scare the cat hiding from a party

Express delivery Deliver 10 packages

Explosive Finish Kill 12 enemies with explosive barrels while riding the server lift during Echoes of a Cold War.

I'm number 1 Win 1 Tower Battle

Daredevil While affected by one Flashbang, kill two enemies in the Campaign or in Co-op.

A Crappy Way to Die Kill the enemy in the porta-potty.

Stop Hiding Survive An Ambush

Neon Nights You halted the production of Neon in the city.

Ruby Red Find the hidden Red Gem

The Supreme Enlightened You watched the End Credits and found the surprise inside.

Freshman Creator Ace Popit Academy Term 1

Superhuman! Perform every character's supermove

Special Thanks Watch the credits all the way through

No It’s MY Turn Complete a level with Pass N. Play enabled

Veteran Runner Shift, Wallrun, Jump, Coil, Skill Roll, Shift

Sudden But Inevitable Betrayed! By your worst enemy.

Freeze Well! Kill 15 frozen aliens

That which does not kill you... Be injured in all limbs at the same time.

Echoes of the Fast Obtain a Bronze, Silver, or Gold medal in Time Attack for the Forge of Destiny Challenge Tomb

Emerald Gemerald Find the hidden Green Gem

Skillful Raider Endurance Challenge: Open 5 Codices or Sarcophagi without getting caught in a trap

Duke or Dimwit? Defeated all waves in Duke and Dimwit Theater.

Scorched Earth II Blow up all trucks and guard towers on the approach to the monastery in The Final Countdown.

Talis-Mania Use A Talisman 10 Times

Graduation Day Complete both Terms of the Popit Academy

Graduate Complete Popit Academy Term 2

Gunless Finish 'Alone' without firing a gun.

Seb's Salute Shift, Springboard, Wallrun, Swing Pipe, Skill Roll

Roof Runner Complete 10 Dashes in the main game