get_off

Exploding Heads Pull off 20 headshots.

Baptism by Fire Defeat 3 Majini at once with a drum or gas tank explosion.

Fireworks Shoot an enemy Molotov cocktail, dynamite stick, or hand grenade.

A Friend in Need Save partner 10 times when HELP is displayed.

Completed Chapter 2 - 2 Complete Chapter 2 - 2 on any difficulty setting.

Completed Chapter 2 - 3 Complete Chapter 2 - 3 on any difficulty setting.

Completed Chapter 3 - 1 Complete Chapter 3 - 1 on any difficulty setting.

Meat Shower Defeat 3 Majini with one grenade or proximity bomb.

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

Completed Chapter 3 - 2 Complete Chapter 3 - 2 on any difficulty setting.

Completed Chapter 3 - 3 Complete Chapter 3 - 3 on any difficulty setting.

Completed Chapter 4 - 1 Complete Chapter 4 - 1 on any difficulty setting.

Completed Chapter 4 - 2 Complete Chapter 4 - 2 on any difficulty setting.

Completed Chapter 5 - 1 Complete Chapter 5 - 1 on any difficulty setting.

Completed Chapter 5 - 2 Complete Chapter 5 - 2 on any difficulty setting.

Born Free Escape from Intensive Treatment to the island surface

Completed Chapter 5 - 3 Complete Chapter 5 - 3 on any difficulty setting.

Completed Chapter 6 - 1 Complete Chapter 6 - 1 on any difficulty setting.

Completed Chapter 6 - 2 Complete Chapter 6 - 2 on any difficulty setting.

Good Riot Good guys stand up and take the heat.

Good Eats Good guys feed the needy.

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

Lifeguard Save partner 10 times when DYING is displayed.

Completed Chapter 6 - 3 Complete Chapter 6 - 3 on any difficulty setting.

Arkham Analyst Solve 5% of Riddler challenges

Recruit Complete all chapters on Amateur.

Shoot Some B-Roll For Elena Explore Photo Mode

Relic Finder Find the Strange Relic

Deadeye Unlock tactical perk 1

Vive la resistance! Locate the resistance

Just What The Doctors Ordered Save all the doctors in Medical

Run-and-Gunner Kill 20 Enemies by Shooting from the Hip (without aiming)

Triple Dyno-Might! Kill 3 Enemies with 1 Explosion

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Power to the laser Find the Laserkraftwerk

50 Kills: Micro-9mm Kill 50 Enemies with the Micro-9mm

Quick draw Unlock tactical perk 2

Quick regeneration Unlock tactical perk 3

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

50 Kills: Moss - 12 Kill 50 Enemies with the Moss - 12

Stop, Drop, & Roll Defeat 3 Majini at once by setting oil canisters on fire.

30 Kills: Mk-NDI Kill 30 Enemies with Mk-NDI Grenades

Hidden in the deep Locate the underwater stash

Bullet feeder Unlock assault perk 4

Charted! - Normal Finish the Game on Normal Without Changing the Difficulty

Recurring Nightmare Face your biggest fears and keep your sanity

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

Drive By Stop an armored truck by taking out the driver.