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Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

No More Strangers You've met all the random characters.

Platinum Congratulations!

Rollover Total a car by flipping it over.

Skin Deep Skin every species of animal in Story Mode.

Zoologist Study every animal across all states in Story Mode.

Teamplayer You killed 5 opposing team members.

Loony Tune Spend an insane amount of money on tuning a car.

Genetically Superior You came first in 20 singleplayer street races.

Beginner Series Complete Complete the Beginner series of Race Events.

Duke or Dimwit? Defeated all waves in Duke and Dimwit Theater.

Is It Over? Defeated Cletus Kasady

Capable Operative Complete Separate Ways on Standard mode or higher.

Timing Is Everything Achieved 100 critical hits

The way to Stardom! Create a set using at least one object, one controller effect, one visual effect, one mask and changing background music.

Five Finger Discount Finish the Supermarket level in "Joe's Adventures."

Taffer's Delight Completed Burial at Sea - Episode 2 in 1998 mode.

Sharpshooter Kill 100 enemies by headshots in "Jimmy's Vendetta".

Best in the West Attain 100% completion.

Rope-a-Dope In CitC, knock an enemy around the city with Undertow, then knock him off the edge of the city.

Lovers' Quarrel Defeated Black Cat

You woke up granny! Keep pumping a balloon until it bursts.

Bomb Squad Defuse all bombs in 3 minutes or less

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Rooftop Ruffian Defeated all waves in Raven's Dome.

TLAD: Easy Rider Finish the story. (The Lost and Damned)

Carnapper Finish all car dealer missions in "Jimmy's Vendetta".

Museum Curator In CitC, unlocked all Gallery items.

The Hunter, Hunted Defeated Kraven

Missile Defense System In CitC, killed an enemy with splash damage by shooting a rocket out of the air.

Disintegrator Acquired the Ionic Web ablity

Mind the Goods Finish the Cathouse level in "Joe's Adventures."

Vigilante Completed 10 petty crime situations

Same Shirt Different Day Finish Joe's Adventures on any difficulty.

Maximum Mileage Buy a used car with 300,000km or more travel distance.

Revenged Finish "Jimmy's Vendetta" on any difficulty level.

You Are Under Arrest Defeated Kingpin

Switch Off Defeated Electro

All Tied Up Defeated 50 enemies by performing stealth takedowns

The Green Goblin Defeated Green Goblin

Driving Music Use the Personal BGM function, and go for a drive while listening to your favorite songs.

Human Completed the game on Human difficulty

Now It Is Over Defeated Carnage

Sneaky Completed a hideout without being spotted

Know Your Enemies Unlocked all character bios

Middleweight Champion Defeated 300 enemies

Minted! Brought back home at least 350 coins.

Breaker Destroyed 20 body armors

Hand of the Prophet Defeated all waves in Emporia Arcade.

Stay Down! Performed 15 signature moves