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Push It to the Limit Upgrade any weapon to +20

Chapter 5 Complete Complete Chapter 5 in story mode

Dirty Secrets Finish Chapter Three

Gunslinger Shoot an enemy grenade in midair with a revolver.

From Beyond the Stars Collect and return all spaceship parts.

Venting Frustration Spend 7 minutes on steam vents

Lunch Break Take a sepia photo of a squirrel eating an acorn

A Mystery, Solved Solve the mystery of Leonora Johnson.

The Nutcracker - Sweet! Incapacitate an enemy, then shoot them in the testicles

Make Up for Some Hygiene Demerits Get to know someone in a precarious position

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Temperance Let Johnny Silverhand keep your body.

Saboteur Complete the SNIPER TEAM level.

Tell Me a Story Completed 10 substories.

Pitcher Use all throwing weapons at least once

Through the Fire Complete the SPIDER LAIR level.

Wealth lies in the Earth Complete the mining game perfectly 50 times

Invisible Intruder Complete the SEPARATION level without killing or raising alarm.

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

A Craftsman's Tools Find your weapons in Sovereign Land before instigating combat in the trailer park

Architect Build three wings on a house

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Silent But Deadly Kill 100 enemies with suppressed ammo

To Bad Decisions! Complete Kerry Eurodyne's storyline.

Operation Grave Robber Complete Operation Grave Robber.

General of the Army Enter Prestige 1 in Multiplayer while playing online.

Almighty Complete a Test Your Might Tower

Operation Pure Threat Complete Operation Pure Threat.

Survivor 2034 Complete the game in Survival Mode.

Fashion Victim Personalise all 12 Characters

R-E-S-P-E-C-T Pay 100 total respect points in King of the Hill

Sea turtles, mate Ride on all types of animal in the game

Show us that grin! Stretch the Alien's face as far as you can.

Delicate Excavation Completely clean the Ancient Monument using only the white nozzle

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

First Step Complete your first mission in Jimmy's Vendetta.

And really bad eggs Play as all the Extra Toggle characters

Just Peachy Collect all the Peaches in the Scroll of Destiny

Invisible Soldier Complete the REVOLUTION level without killing and raising an alarm.

Derailed Kill all armed enemies on the REVOLUTION level, including all reinforcements.

Vault-Tec Engineer Build 50 rooms

The Hurt Mine Locker Kill 10 monsters with one mine

Challenge Accepted Reach Weekly Rewards Rank 20 in the Seasonal Hub.

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

Social Climber Find the hidden access to the mansion grounds in Ep. 10: Legacy

Bro's before Gold Use 50 Buddy-Up attacks

She's gonna blow Max out the thermo in Create Mode

Knife Beats Chainsaw His engine roars, but my knife is strong enough to take him out. (Ch.3)

Teamwork Play a Group Battle with 2 other players

First Time Director Enter Director Mode for the first time as an unlocked actor.