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Seeker of the Infinite Corridor Obtain the Infinite Corridor.

Ticket to Tranquility Earned 100 Purple Coins.

Field Research Unearthing secrets

An Impressive Display Earn a Four-Star Rating in any Challenge Arena

It's all in the details Find all Mnesist memories

King's new shirt Snap a close-up photo of the king

Making New Memories Achieved Making New Memories ending.

Big Air Clock up 1 hour total time falling

Forgive Me, Father... Take sanctuary in a monastery to clear Heat Level 5.

Moonlit beauty Snap a close-up photo of the nix

Sugar Crash While playing as Colt, use candy to gain a tactical advantage.

Completed Grounded Mode Plus Completed Grounded Mode Plus

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

I AM the Batman! Reclaim your city.

Pest control Find all Scaramechs

Invasion Averted Stop the lights from the wedge. The Rena have stolen more than enough from Dahna as it is.

The Quick and the Dead Kill or incapacitate 50 enemies while time is slowed.

Pack Mentality Pull together

Snuffed Out Defeat Flame Face

Betrayal Eliminate an enemy with the Dimensional Claw

Splish-splash Splash someone who is taking a bath

Boon of the Nomad Find Barrel in Hidden Cave

Eggplant Obtain the Eggplant that appears after dropping 2 rocks in a certain Round.

Opposite of Fail Complete all Fale Quests

Seeker of the Crimson Shroud Obtain the Crimson Shroud.

Unrelenting Blaze Defeat Efreet Malum. What was once a small spark grew to consume even the flaming giant.

''Aggressive Negotiations'' Defeat 3 enemies at the same time with an explosion

Autojock Buy all vehicles available for purchase.

The Beginning Defeated the Titan and completed the main story on Kronos Island.

Return to the Colony Achieved Return to the Colony ending.

Silence Those Guns Destroy every enemy Cannon

8-hit wonder Perform 40 8-hit Combos

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Egoraphobia Complete 'Lost in Transmission.'

Kickstopper Jump kick 10 times without touching the ground.

Sick as a Fig Put Ronny in the recovery position

V for Vendetta After reviving with Second Heart, kill or incapacitate the enemy who killed you within 5 seconds.

Dethroned Eradicate the king of demons.

Round 13 Cleared Clear round 13!

Lunch Break Take a sepia photo of a squirrel eating an acorn

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

Paradigm of Humanity Reached Level 20 with Neutral Karma

Mole Supper An invitation rescinded

Everything Must Go Help Nick open a new shop

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

Usurper Observe the rise of the castle's new master.

Under The Red Hood Shut down this operation.

Dragon Slayer Defeat the Armored Dragon Stage 2

Guns For Show Use all guns at least once

Sea turtles, mate Ride on all types of animal in the game