J_D_Rule

Eye Opener Complete the game and open the city.

Cat's best friend Nuzzle up against 5 robots.

Meowlody Bring all the music sheets to Morusque.

Productive Day Sleep for more than one hour.

Just What The Doctors Ordered Save all the doctors in Medical

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Cryptic Investigator Solve 10% of Riddler challenges

Hacked a Safe The player has successfully hacked a safe

Baneful Payback Defeat Bane

Scratch Scratch the vinyl in the club.

Defeated Dr. Steinman The player has defeated the crazed Dr. Steinman

250 Headshots Defeat 250 Enemies with Headshots

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

Pacifist Complete the Sewers without killing any Zurks.

Recurring Nightmare Face your biggest fears and keep your sanity

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

Hacked a Security Camera The player has successfully hacked a security camera

Brutal Slugger Kill 20 Enemies with Brutal Combo

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.

Double Trouble Defeat two Titan Henchmen at once

Researched a Splicer The player has taken at least one Research Photo of a Splicer

Sneakitty Go through Midtown without being detected by the Sentinels.

Territory Scratch in every chapter.

Bought One Slot The player has purchased one slot in any Plasmid or Tonic track

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

Quality Research Photo The player has taken a Research Photo of the highest grade

Headshot Expert Kill 5 Enemies in a Row with Headshots

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

Blood Gem Contact Acquire a blood gem that imbues hunter weapons
with special strength.

Don't Need No Stinkin' Gun Defeat an enemy with a knife.

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

Defeated Peach Wilkins The player has defeated Peach Wilkins

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

Father Gascoigne Defeat the beast that once was Father Gascoigne.

Upgraded a Weapon The player has acquired at least one weapon upgrade

Poisoned Ivy Defeat the giant Titan Ivy plant

Big Bang Complete story mode on Easy difficulty

20 Kills: Pistole Kill 20 Enemies with the Pistole

Basic Inventor The player has successfully invented at least one item

Grenade Hangman Kill 10 Enemies with Grenades While Hanging

Mystery Solver Solve 40% of Riddler challenges

One Fully Upgraded Weapon The player has fully upgraded one weapon

Restored the Forest The player has restored the forests of Arcadia

Rune Contact Acquire a Caryll Rune that endows hunters with special strength.

Dress for Success In the Main Campaign, equipped a piece of Gear in all four slots.

Blood-starved Beast Defeat Blood-starved Beast.