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Big Bang Complete story mode on Easy difficulty

Party Pooper KO all the henchmen celebrating your arrival at the party

Mental Athlete Solve 70% of Riddler challenges

Poisoned Ivy Defeat the giant Titan Ivy plant

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

Freakshow Rodeo Ride Titan henchman and knock down 10 thugs (any play mode)

Crocodile Tears Venture into Killer Croc's lair and come out alive

Resist The Fear Conquer the effects of the Scarecrow's fear gas

Conundrum Cracker Solve 55% of Riddler challenges

Catch! Catch a Batarang (any play mode)

Double Trouble Defeat two Titan Henchmen at once

Rope-A-Dope-A-Dope String up one henchman and drop him to surprise a second (any play mode)

Night Glider Glide continuously for over 100m

Mystery Solver Solve 40% of Riddler challenges

Solitary Confinement Capture and lock up Harley Quinn

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

Recurring Nightmare Face your biggest fears and keep your sanity

Lateral Thinker Solve 25% of Riddler challenges

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

Baneful Payback Defeat Bane

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

Cryptic Investigator Solve 10% of Riddler challenges

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Just What The Doctors Ordered Save all the doctors in Medical

Arkham Analyst Solve 5% of Riddler challenges

Born Free Escape from Intensive Treatment to the island surface

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

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

Freeflow Combo 5 Complete a combo of 5 moves (any play mode)

Taking Out The Trash Defeat Alden.

Further Down the Rabbit Hole Collect all Dead Drops in the Warren.

Team Creator Build and save a level with more than one player with the thermometer more than 30% full

Treasure Hunter Collect 75% of the prize bubbles on the story levels

Just Beginning Complete all the main path story levels

The Temples Complete all levels in The Temples

The Islands Complete all levels in The Islands

Trendsetter Place a sticker or a decoration on another player's sackperson

Crossing The T Complete the Hunter Boss Encounter.

Evolutionary Step Use the Upgrade Menu to acquire an Upgrade.

The First Thread Unlock the Web of Intrigue.

Truly Infamous Reach full negative Karma.

Just Scratched the Surface Collect all Dead Drops in the Neon District.

Fish in a Barrel Kill 50 enemies by using water.

Oh, You've Done This Before Take down 50 enemies by sticking them with a grenade.

Sigil Of Light It is foretold that revealing all 6 sigils will bring about light, and thus the sigils have been uncovered and light has been wrought from the shadow. Use all you have gained and search outside your vision for secrets within the world.

Sigil Of Creation Eyes are the black holes of creatures, vast depths of darkness, but at the center you will find that creation exists everywhere, even when it is nowhere. All that is left is to unleash the light from within the shadow.

Sigil Of Nature The force of nature has brought odd life to an even more unusual environment. Remember what you have learned here and it may be useful to you in the future.

Sigil Of Chaos Chaos inhabits every fiber of the universe. Unleashing this power has obliterated the obstacles before you and will release you into nature.

Sigil Of Motion Make the world tremble and the heavens shatter from within the shadows. The power to manipulate your environment has been unveiled and will prove essential in your struggles with nature.