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Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Funhouse Area Maze Clear all Funhouse Area Maze Stages.
0/100

Folk Hero Complete all quests in the world in Story mode
0/100

Let's Play Complete the first Horde Mode Mission

Day 0 Completed "Day 0"

Blood Bank Kill 10,000 enemies

Extraordinary Popular Delusions Had all happiness values above 50

Death of Comedy Use every type of novelty weapon on a zombie

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Green Energy Produce all electricity without using raw materials.

Factory Area Maze Clear all Factory Area Maze Stages.
0/100

Like looking through a wall Manage to disable three guards, or more, inside a clone's smoke bomb

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Takoshima Tincture Complete all the Takoshima Gene Blends.

Prod off Kill 5 worms with the Prod weapon.

Run 'N' Gun Make a three-pointer off of a fast-break in a non-simulated game.

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

The King's Crown Get a Gold Crown in every stage.
4/100

Ticket to Ride Purchase all the upgrades for the Disclocator.

The New Time-Master Beat all of Nefarious Tropy's times in Time Trial Mode.

Renaissance Finish Mission 7

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Is everyone here? Unlock all characters from the original roster.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Really Nothing Special Collect all the Alien Artifacts in Albion.

Late Night Creature Feature Complete "Kojira Kaiju Battle."

Handyman Open and buy all perks in game

Sleuth Unlock all intel (videos and audio files)

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Bay Low, Cell High Collect all the Furotech Cells in Bay City.

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

Honor-Bound Recover 22 COG tags (on any difficulty)
3/22

Some Muscle Hire a mercenary

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Have You Heard the News? Complete all the Cult of Arkvoodle missions in Bay City.

Doctorate in Thermodynamics Kill 2 scientists with a single grenade in ‘Self Destructive’ Operation.

Test the Product Knife 10 stacks of cocaine in ‘Hostile Takeover’ Operation.

Boss Mansion Area Maze Clear all Boss Mansion Area Maze Stages.
0/100

You Can Find Anything in London Collect all the Furotech Cells in Albion.

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

Long Winded Parachute for 30 seconds and successfully land in a single turn.

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

Tunguska Tonic Complete all the Tunguska Gene Blends.

Spreading the Good Word Complete all the Cult of Arkvoodle missions in Albion.

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Unpopular Mayor Have 15% happiness

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Big Spender Purchase a Concrete Donkey from the in-game shop.

We All Float Up Here Purchase all the upgrades for the Anti-Gravity Field.