MD-ONE

Ratcatcher Find all the dead rats in Bedroom in a single play.

Promise Kept Complete End of Zoe on Easy or Normal.

Island Queen Complete all objectives in the Plover Island Complex

The Never Ending Combo Achieve a 200 Hit Combo

Consciousness is Over-rated Knock out 100 enemies in a single playthrough.

Perfect Action Completed a stage without taking any damage on Hard difficulty or above

Amethyst Medal Defeated the Giant Orb using Dark Knack

Throw a Six and a Half On Hardened or Veteran difficulty, complete a level without dying. (Solo only)

Sprinter Reach the exfil chopper with 1:30 remaining on the clock in Regular or Hardcore difficulty.

The Last Straw You talked Doctor Isaias Sandoval out of suicide.

Apex Eater Kill the Atomic Leviathan

Photo-Finish Beginner Gain a star in any event of 'Photo-Finish'

An ode to Rube Goldberg Get 20 chain reaction explosive kills

Guardian Angel You paid poor Jaya's debt in full. How very... humane... of you.

Poncho'd Out Complete the Combo Chicken quest (Defeat Poncho forever)

Make it go boom Kill 20 enemies by shooting explosives

The Hammer Strikes Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)

Sunstone Medal Defeated Katrina's Mech using Sunstone Knack

Perfect Timing Complete 100% of the Time Trials

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

“Worlds of Hurt” – Tough Guy Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Cloak & Daggers Deal with the man in the shadows.

Teacher's Pet You watched all the tutorials! Take a gold star, go to the top of the class.

The Crown Jewel Seek and destroy.

Emerald Medal Defeated Gundahar's Robot using Massive Knack

One Instinct: Survival Get the true ending in Daughters.

I Can Handle the Truth! Complete all available objective in Truth Quest

No Man Left Escape with all four players in Regular or Hardcore difficulty.

The D Project You watched the entire credit list and saw the surprise at the end.

Through the looking glass Kill 10 snipers before they see you

Gunslinger Assassinate General Amsel with a pistol shot. (Solo only)

Aiding the Outcasts Completed "Aiding the Outcasts"

The Caped Crusader Win with Batman using every special move and his Supermove

The Throwdown You convinced the smooth-talking politician Bill Taggart to tell the truth in public.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

The Guns of Anchorage Completed "The Guns of Anchorage"

King of Battle Achieved five-star ranks in all Coliseum Attack stages

Trying to Set Things Right Nuna and Fox continued after the Mouse.

Cock of the Walk Defeat an enemy using the Pollo Bomb

Liberty City (5) Your friends all like you above 90%.

The Fall You sent Diamond Chan on the trip of a lifetime.

Iron Fist Destroy all towers and bunkers in 'Blood and Iron'.

You're No Angel Survive an encounter with Nelo Angelo

Battering Ram Shield Bash 5 different thugs

Casual Reader Find 50% of the war diaries

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

I Siwa you did there Make the target officer's death look like an accident (Mission 5)

Frequent Flyer Zip Kick 5 different thugs

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

There Was a Village Nuna and Fox left the destroyed Village behind.