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The Search Complete 'Charlie Don't Surf' on Veteran difficulty.

Cardio Travel a distance of 20 kilometers on foot.

Let's Blow This Joint Complete Chapter 3 in Jake's campaign.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

United We Stand Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game

Lost And Found Uncover the secret of Arkham City

J'avo Genocide Defeat 500 J'avo.

Pedal to the Metal Travel at 125 mph.

Still on the Run Complete Chapter 4 in Jake's campaign.

Blade of Justice Perform 25 special stealth kills with the knife

Sandstorm We are legion

Renegade Melee 5 enemies off a ledge

Wake Up Call Help Leo out of a tricky situation without getting caught.

Retro Shooter Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').

See You Around Complete Chapter 5 in Jake's campaign.

Karma-geddon Kill 50 zombies using a vehicle.

Careful, He Bites Killed 15 enemies with the Hunter's action skill

Made in New Haven Completed all missions in the Rust Commons

Rising Up Earn a level-four title.

The First Step Join the Minutemen

On Rails Experience Choo Choo!

Can't We Get BEYOND Thunderdome? Emerged victorious from an arena match

Master Ninja Complete any level using only the knife to kill enemies.

Hide And Seek A deadly game of hide and seek

Ding! Sleepless Earned level 40

Break the Bank Guess it was time to cash out.

I Spy Complete Chapter 1 in Ada's campaign.

Reckless Abandon Killed 15 enemies with the Berserker's action skill

Crack The E Nigma Solve every riddle on the island

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

Rampage Complete your first raid in England

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

You're on a boat! I bet you never thought you'd be here

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

World's Greatest Detective Spirit of Amadeus Arkham revealed

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Plastic Prison Breakers They had no way out.

Sanctuary Complete "Sanctuary"

Hairdresser Kill five enemies in rapid succession with a headshot.

Knucklehead Kill a total of thirty enemies using melee attacks.

IQ Test Solve the first riddle

Commonwealth Citizen Reach Level 10

Ghost Train Fight for survival

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Counterintelligence Complete Chapter 2 in Ada's campaign.

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Petrol Head Drive at least thirty different vehicles.

Road Trip Drive a total distance of 10 kilometers.

Freefall Don't look down