Flintan

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

Malpractice Needs More Practice Survive the onslaught from the deformed Joker henchman

Leave No Man Behind Rescue the guards and henchman from the Joker toxin in Decontamination

Watch That First Step Defeat an enemy by destroying the object they stand on.

Born Free Escape from Intensive Treatment to the island surface

Freeflow Combo 10 Complete a combo of 10 moves (any play mode)

Rap Sheet: Trespasser Find Fred's basement workshop

Arkham Analyst Solve 5% of Riddler challenges

Just What The Doctors Ordered Save all the doctors in Medical

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Don't Fence Me In Climb a chain link fence and rejoice.

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Not Raised in a Barn Close a door

Games History Major Play Maniac Mansion

Breaking And Entering Gain access to Arkham Mansion after it is locked down by the Joker

Most Annoying Guest Ever Ring the front desk bell 100 times

Energy Conscious Turn off the television

Dude, It's Like, Cannibalism Hoagie eats a Hoagie

And Then the Universe Implodes Try to mix the disappearing ink with Booboo-B-Gone

Olive Branch Return the stamp album to Weird Ed

Rap Sheet: Thief Pick up 15 things that don't belong to you

I'm Sure He'd Never Notice Try to swap the textbook with the stamp album

Recurring Nightmare Face your biggest fears and keep your sanity

Zsasz Cut Down To Size Save Dr. Young from being killed by Victor Zsasz

And Then the Universe Explodes Try to mix the decaf and caffeinated coffees

Moronic Drone Get a job

Solitary Confinement Capture and lock up Harley Quinn

Only Hoagie Can Make a Tree Create a cherry tree

Only George Can Destroy a Tree Destroy a cherry tree

Freeflow Combo 20 Complete a combo of 20 moves (any play mode)

Rap Sheet: Kleptomaniac Pick up 30 things that don't belong to you

Rap Sheet: Yegg Open the safe

Lateral Thinker Solve 25% of Riddler challenges

Novelty Enthusiast Get all six novelty items

Voiding the Warranty Try to put something metal in the microwave

That Only Works with Alligators Try to flush the hamster

Obvious, Really... Make it rain

Windsock it to Me Change the flag

Costume Quest Clothe Laverne in the costume

Rap Sheet: Vandal Deflate Oozo

That Joke Never Gets Old Squirt five different people with disappearing ink

WWSCD? Climb through the chimney with all three kids

Cleric Beast Defeat Cleric Beast.

Of Course It Would Still Weigh the Same Get a tiny sweater

Missing Pink Try to mix the red paint and the Booboo-B-Gone

Chateau Eau Neaux Make vinegar

Oh Right, I'm Playing a Cartoon! Make a skunk

Don't Try This at Home Microwave the frozen hamster

Double Trouble Defeat two Titan Henchmen at once