Cosmic-Maxis

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Master of Unlocking Open up all the lockers in the save room.

Farewell, Tien... Complete seven or more quest tutorials.

Hidden Agenda Discover 15 secret areas

Cryptographer Break the code.

World Renowned Chef Discover all locations/ levels in the main games
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Butterfly Took down the jet in one attempt in Rock And A Hard Place

Ultimate Armament Upgrade a weapon to its maximum level

New Shadow In 'The Savior', complete the mission without being spotted

Champion of Elysium Clear Elysium with the 'Extreme Measures' Condition

Like a Druid Complete a Trial of the Morrigan (Wrath of the Druids).

Now that is what I would call a multi-kill! Kill 7 enemies within a very short time using only your primary weapon.

Master Zoologist You tamed all of the domesticable creatures on the ARK!

Take the stage Validate a Track in Track Builder mode.

Breakthrough Achieve 100% data collection.

Lifetime Service Award Completed all side missions.

Cooking Up a Storm Awarded for cooking 50 dishes.

Charted! - Brutal Finish the Game on Brutal Without Changing the Difficulty

Rare Collectible Equip a Chthonic Companion

Flame Dancer Obtained all Master Arts for Panther.

Cow-Moo-Flage Turn 10 Black Hand into Cows using the Cow Gun in a single session

Master of the locks Break all the locks on the worlds' and levels' paintings

Faithful to the Abbey Side with the Overseers in the Dust District

Big Hair in the Crosshairs Defeat the yakuza with an afro on the highway.

Blade Bearer and Cannoneer Defeat the Blade Bearer and Cannoneer in the Crypt Spire

Rooting For You Win a kitchen in Versus Mode

So-Called Perfectionist Earn any N.Sanely Perfect Relic

Killing monsters Kill all types of enemies at least once

Conductor of the Poop Train Get 100 kills while in a Buzzaxe Rampage.

Doki Doki Literature Club Plus! Platinum Good job! Completed all tasks!

Lunar Vortex Grabbed 5 enemies with one Lunar Style Vortex Field.

Clockwork Collector Obtain numbered plates for 3 Clockwork Soldiers

Garden Tour Be on the Winning Team for 25 matches of Gardens & Graveyards

Reeding is Fundamental Escape conflict by using a breathing reed to hide in shallow water

I need more! Get a total of 2,500 Gears.

Food Critic Throw 5 Tomatoes at another player
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Mia's Memories View Mia's memory echoes

The Devil wears Revenge! Defeat Calaca with full health in Diablo's Suit

Juzo Mido Defeat the boss of the Crypt Spire, Juzo Mido

Majima From Below Assaulted by Majima from a manhole.

The Team That Slays Together... Win 15 matches in Team Slayers.

Become King Become King of the Rat Kingdom

Remember The Fallen Collect All Fallen Striders

Repulsed Defeat 100 enemies with Force Repulse

Had Enough of Preachers Defeat Osmund Saddler in Separate Ways.

Front of the Pack Fully train an ally

Nyx's Mirror Have at least one rank in each Mirror of Night Talent

Break it Down! Breaker Majima forced his way into a fight.

Scourge of the Tainted Awarded for defeating 50 tainted monsters.