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Intellectually Superior Complete all optional tombs.

Archaeologist Collect 75% of all relics.

Feather Duster Kill and loot 10 flying animals (crows and gulls).

Arkham Analyst Solve 5% of Riddler challenges

Legend of the Twins Watch the 'Birth of the Beast' Treasure

Productive Day Sleep for more than one hour.

The Collectivist Collect 125 Precursor Orbs

Just What The Doctors Ordered Save all the doctors in Medical

The Collectationator! Collect 286 Precursor Orbs

Bag Full O' Cache Find 75% of GPS caches.

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Splash Kiss the Nyad

The Bright Master Discover some of the Wraith's past.

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Scratch Scratch the vinyl in the club.

Done Done Done For excellent and dedicated field work in the field of battle for completion

Lethal Purchase all skills in all categories.

Scout of the Morannon Successfully complete a Survivalist Challenge.

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

Strike True Unlock 2 Bow Rune slots.

Pacifist Complete the Sewers without killing any Zurks.

Boom Goes the Dynamite Shoot a bundle of dynamite out of the air.

Recurring Nightmare Face your biggest fears and keep your sanity

Legend of Shadow Complete a Dagger Mission and begin growing the legend of Acharn.

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

Clean Up Your Act Defeat Sasha.

No Stone Left Unturned Find all documents, relics and GPS caches.

True Potential Purchase every upgrade for a single power.

Solitary Confinement Capture and lock up Harley Quinn

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

Lateral Thinker Solve 25% of Riddler challenges

I Remember! Gather all B-12 memories.

Badges Collect all badges.

The Cold Light Unlock 3 Sword Rune slots.

Double Trouble Defeat two Titan Henchmen at once

Territory Scratch in every chapter.

Sneakitty Go through Midtown without being detected by the Sentinels.

Can't Cat-ch Me Complete the first Zurk pursuit without being caught.

Good Train Good guys proactively facilitate transportation solutions.

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

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

Stunt Coordinator Complete 10 of the stunts on the stunt list.

The Free Folk Complete an Outcast Rescue Mission.

Electric Hobo Ride the train for 2 kilometers.

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

Legend of the Maker Complete a Bow Mission and begin growing the legend of Azkâr.

Red Baron Take down 100 enemies while they are airborne.

"Gets the aggressions out, doesn't it?" Use the hole punch.

The Professional Fully mod and completely upgrade all weapons.