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Mare Nubium: Walkthrough Get till the end of Mare Nubium

Achieve everything Achieve everything

He Ain't Heavy Complete The Dragon and the Prince Side Mission

Whole World Blind Complete the Two Graves Side Mission

Ambush Defeat 4 enemies within the duration of a single scare effect.

The Curse of the Sea-Thing The Cursed World

Like Mama Used to Make Complete Bedroom.

Anger Solved the death of Missy

Bargaining Solved the death of Dale

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

Acceptance Solved the death of Ed

What happens then? Another story, kid. What else?

The Scene of the Crime Rescue Mad Hatter's first hostage.

Leaping Lizards Complete The Wrathful God Side Mission

Not Part of the Job Description The water's rising, but we'll get out of this without a scratch. (Ch. 5)

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

Infallible Win 5 Episodes in a row

Eyes Of The Storm Obtain A Thousand Eyes skill, equip elite versions of Oathtaker's Bow and Sinchi Chiqa Battle Dress

The Last Laugh The joke's on who?

Squad Goals Win an Episode as part of a party of 3 or more players

Put Herself Together Complete the Mother Protector Challenge Tomb

Queensberry Rules Perform a 4-hit combo with your bare fists in End of Zoe.

It's Blue Light Killed an enemy in a dark zone using the ASTir SpecterBite

The Power of Three Completely upgrade three weapons.

Creature Comforts Obtain White Breath skill, equip Grip of Fear White Knuckle and Scales of Q Feathered Serpent

Got a Bite Beat a boss on floor 1.

Head Games Rescue Mad Hatter's second hostage.

Beginner's Luck! Win a single online match

Twice Nightly Complete New Game Plus

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Ding! You took a little elevator ride.

In Storybook Endings Lock up Mad Hatter in GCPD.

The Fat and the Furious Complete a Continuous Speed Run as Doughnut Drake

Kill Your Darlings You put your imagination in its place.

Unfinished Story Found the sniper rifle

Spoiled For Choice Obtain Divine Bounty skill, equip Serpent Lash Godslayer weapon and Dragon Scales Legend outfit

Need for Speed Achieve a Complete Speed Run Time of Less than 2 Hours and 30 minutes

Ready To Rumble Obtain the Volcano Skill, equip Whispering Scourge Pandemic weapon and Reptile Hide Leviathan outfit

Moonlight Sonata Complete the Eternal Reward Side Mission

Certifiable Earn Veteran status for your Certified Item

Eye in the Sky Complete 21.

Dressed For Success Obtain the Raptor's Eye skill, equip the Silent Sting Scorpion weapon and Hunter's Array Apex outfit

The Demon Lives Again! Follow the assassin's trail.

Seasoned Pro Complete all 7 downloadable content missions and receive the Tunic of the Shorn One

Track Star Get first place in a racing round 20 times

Mysteries of the deep Beat a boss on floor 2.

Six's Song So many keys, yet none to unlock your cage!

COIN COLLECTOR LV02 Collect 200 coins in a Row

The Beast Beneath Defeat the prisoners.