creedomatic

Greenlight Protocol Powered the reactor.

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

2010 Hall of Fame Nominee Induct a Superstar into the HALL OF FAME.

Lucky Stiff Found Lucky Montoya's body.

Electric Whisper Learn how to craft Electric Arrows

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Crab collector Collect all the crabs with golden claws!

Compliments to the Chef Complete your quest on Inkwell Isle IV

Blood Bank Kill 10,000 enemies

Art collector Knock out 10 enemies with a painting of Sir Francis!

Ammunition Collector Collect all ammo types.
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Vengeful Reflection An Umbral imprint of Isaac faces the Lightreaper.

Part of the Divine Damarose the Marked receives her divine reward.

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

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

Hearty Have 9HP at one time

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

What Sights Contained Within Collect all Umbral Eyes.
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Safari Tour Play at least one full round in every Official Map (Ranked Match)

Family Reunion Achieved a compromise between Olivia and Minnie.

Professional Reach Rank 10 (Ranked Match)

Throwable Collector Collect all throwables.
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Taxi! Drive a car with all your teammates in it

Armor expert! Sir Francis: use the armor to knock out 20 enemies!

Special P.E.T. Benefits Acquired Special Delivery, P.E.T., and Employee Benefits.

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Good Listener Found 20 Portable Phonographs.
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A Trace of Venom Kukajin concludes her business in Mournstead.

A Hunger Sated Defeat Elianne the Starved.

The third faction Rescue all the Buddies from their respective predicaments

Friendly Rivals Compare your ranking on any Challenge with a Friend on your Friends list.

Developmental Graduate Complete the TRAINING CHECKLIST.

Back to the Void Reach the Umbral ending.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Altered Prospects Start a new game with a modifier enabled.

Hi Score Collect 1,000,000 points over all story levels you have played.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

The Last Step The Iron Wayfarer's journey finally ends.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Gesture Collector Collect all gestures.
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Nothing More to Collect Unlock all the playable characters and bonus items.

Super-sleuth With Snowy, find all the buried objects in "Tintin and Haddock" mode!

Nahantu Sightseer Explore all of Nahantu.
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Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

That Party was Ace Ace every Adventure level in The Journey Home.

The Postman Delivered the journal to Lucien.

Inferno Adept Collect all Inferno spells.
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Aviation ace Finish every level of the three types of PLANE challenges!

Comprehensive Showing Post a result online for every Challenge for your Friends to compare.