Grapefest

Diamond Medal Defeated all bosses using Diamond Knack

Garden Crazy Complete a Garden Ops match on Crazy Difficulty

Gold Medalist Completed all challenge missions with gold or better.

Mad Scientist Awarded for alchemizing 120 different items.

Eureka Crack the Jindosh Lock without finding the solution elsewhere

Seize the Moment Buy a special croquette from Sozai Daigaku

Rift Hunter Defeated the five giant Nevi that appear with mining site gravity disturbances.

Marked for Greatness Seal 75 rifts in a single playthrough.

The Gift that Keeps on Giving Experienced all 9 Game Modes and all 9 Modifiers of the Mutator.

Road Rage Kill 30 enemies by mowing them down with vehicles.

Secrets! Lies! Conspiracies, man! Found all Secrets!

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

Ghost ships are just a myth, right? Found all Pictures

Outsmarted In singleplayer, get a quadruple kill with a single Frag Grenade

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

Finish Him? Perform any fighter's hidden finishing move

Granter of Your Desires Buy 5 things from Tanaka's Amazing Commodities

Information Overload Collect 50 intelligence files

Wizardry Whiz Awarded for becoming a master magician.
Congratulations! You truly are a whiz at wizardry!

People Person Become friends with at least three of your inner circle in one playthrough.

Knack Master Completed all chapters on Very Hard difficulty

The Commander You unlocked Commander Video! Double rainbow all da way!

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

Master of the Direct Tag Assault You pulled off 3 Direct Tag Assaults.

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

Arkham City Lockdown Defeat every Villain With Batman

Good Soul Against all odds, you saved Faridah Malik's life.

Up to the Challenge 1 Complete 10 challenges.

Gazebo Pay tribute to Jessamine one last time

I feel lucky Purified the sword of the unlucky grave robber

Stargazer Unlock 15 astrariums in a single playthrough.

Tower of Doom Tumble a pile of 6 Scraps

Apollo's Lyre Acquire the Lyre of Apollo

What Does This Button Do?? Complete Arcade Ladder without blocking (allowed to continue)

Gem Collector Collected 60,000 precious gems.

Scuba Diver Mice spend a total of 600 seconds underwater.

That Dream is Your Enemy No-one survived

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)

Instinctive Reaction Chose all of the Heart decisions

The Royal Protector Finish the game with Corvo Attano

Invincible Warrior Kill 50 enemies in a row with inventory weapons without losing health.

Do-Gooder Complete all the "extra things to do"

Scrapped Dispatch all the Scraps

Be Still My Iron Heart You won a ranked match in Online Mode.

Hang 'em High! Kill 30 enemies while they're suspended in the air with the grappling hook.

All New Machines Scanned Encountered and Focus scanned every new machine in the Burning Shores.
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Talion A.D. Descend into the bowels of an urban jungle and confront a warrior-priest.

Power Kat Raised all of Kat's powers to the maximum.

Eregion Reforged Build all the Forge Towers in Udun.

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade