Deimatic

The Interceptor Get 20 Killstreaks with Interceptor ships.

Choose Your Path Defeat 50 enemies in Heroes Vs Villains.

Time to Shine Reach Hero Level 50 and purchase all skills for any Hero

Squire Join the Knights Guild

Sisters of Athena Endurance Co-op Challenge: Kill a combined total of 25 enemies in a single Expedition

Think No Evil Defeat Shamura.

Sentry Mode Engaged In multiplayer, defeat 150 enemies with the Heavy's Sentry Gun.

There Has Been An Awakening Reach Rank 25.

Sisters of Artemis Endurance Co-op Challenge: Kill a combined total of 10 dangerous animals in a single Expedition

Mix Master Play a Custom Speedlist you have created (Multiplayer)

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Deep Impact Complete the adventure at Broken Tooth.

We Will Survive Win 15 matches in Team Survivors.

Dance of the Praying Mantis Throwing enemies around makes handling big groups easier. (Ignored in training mode.)
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Muahahahahaha! Fully upgrade a major artifact

Fine Form! Customize a Form for the first time

Master of Chance Defeat all opponents in Knucklebones.

Go Pro or Go Home Unlock all the Pro mods on a car (Single Player)

Monarch Abides Won the battle of Stellar Bay.

It's Art Find a permanent home for the squirrel statue.

The Best Around Earn a 100% rating for any War Zone at Challenge IV rating

Parasite-Seeing In Shadows of Evil, kill 5 Parasites while riding on the train.

Ignore Your Instincts At Your Peril Destroy 25 objectives in Starfighter Assault.

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Muk Yan Master Obtain the Wood talisman.

Grin and Bear it Survive 18 bear attacks and kill the bear each time in Story Mode.

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

Do No Evil Defeat the One Who Waits.

Ferocity, speed, strength, accuracy Reach a level score of 20 000.

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

Heavy and Frail Collect the Crystal Heart in Chapter 6

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

Well Met, Divines Offer Blood at a Shrine

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)

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

Papercraft Wizard Collect all the papercraft plans in the world

Love Them and Leave Them Drive every Car

Detective Story Complete the Squats' detective board.

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

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

Betrayed By Rage Complete the game and choose the Dark Side ending.

1UP! Get a 1UP

Not All Miss In multiplayer, defeat 3 enemies within one Vanguard usage 5 times.

The Heat is Off Escape successfully from all Heat levels

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

Scrapped Dispatch all the scraps

Gifted Collect all the hidden presents

Platinum Congratulations!