AtLeastBeHuman

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

Sandstorm We are legion

Made This for You You flung a turd of your own creation at an enemy.

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

Made in New Haven Completed all missions in the Rust Commons

J'avo Genocide Defeat 500 J'avo.

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

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

Shrieker Complete the contract on the shrieker.

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

Shutout You successfully blocked every enemy attack in a single (non-tutorial) battle.

Ding! Sleepless Earned level 40

Rising Up Earn a level-four title.

FTFY Fully upgrade your hideout.

Roped In Perform 5 air assassinations from a swinging rope.

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

No Holds Barred Defeat 5 enemies with Coco's Spin.

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

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

Hide And Seek A deadly game of hide and seek

Skilled Defender Over the course of the game, you've blocked 100 attacks.

Lock and Load Customize a multiplayer loadout

Knucklehead Kill a total of thirty enemies using melee attacks.

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

Hairdresser Kill five enemies in rapid succession with a headshot.

I Spy Complete Chapter 1 in Ada's campaign.

Crack The E Nigma Solve every riddle on the island

Petrol Head Drive at least thirty different vehicles.

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Weapon Proficiency Over the course of the game, you've scored 100 perfect attacks.

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

World's Greatest Detective Spirit of Amadeus Arkham revealed

New Kid On The Block You have joined the KKK.

Ghost Train Fight for survival

IQ Test Solve the first riddle

Leader of the Pack Compare Statistics with Friends

Counterintelligence Complete Chapter 2 in Ada's campaign.

Arkham City Sirens Drop in on an old friend

Freefall Don't look down

Tough Nut Finish the story on hard difficulty level.

Lightning Rod Defeat Steropes the Lightning Bringer.

Time Paradox Kill Makarov and complete your mission

Exit Stage Right All the world is a stage

Diamond Hard You cleaned out Vangelico to pay back Martin Madrazo.

First Day in South Park You completed your first day in South Park.

This Takes Me Back Complete Chapter 3 in Ada's campaign.

Mastery You've unlocked all of the upgrades for a New Kid ability.

The Man in the High Tower Find and use the hidden cache in 'Heat'.

Stuck Up Rob five stores in under five minutes.