TrinKitty

Lucky Winner Hit the jackpot at a slot machine

Death Mode: Invaderoids Complete the Death Mode level.

Fully Researched Little Sister Fully research the Little Sister

Wrecking Ball Stop the unstoppable

Death Mode: Galaxanoids Complete the Death Mode level.

Former Adventurer Incapacitate 25 enemies with dodge counter.

Duty Calls Complete Chapter 5 in Chris' campaign.

Irony The player has taken a picture of Sander Cohen's corpse

A Revolting Development Complete Chapter 2 in Jake's campaign.

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

You've Gone Platinum Complete all Death Mode and Beat School levels.

Good Samaritan Revive a teammate in a multiplayer match.

Five Fully Upgraded Weapons Fully upgrade five weapons

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

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

Lost And Found Uncover the secret of Arkham City

Lights Out Kill 10 multiplayer enemies using your melee attack.

Sandstorm We are legion

Adventurer Complete a match in all multiplayer modes.

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

Fully Researched Bouncer Fully research the Bouncer

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

Escapist Survive 10 explosions in multiplayer.

Ding! Sleepless Earned level 40

Rising Up Earn a level-four title.

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

Hide And Seek A deadly game of hide and seek

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

I Spy Complete Chapter 1 in Ada's campaign.

Chatterbox Complete all conversations with the Endurance crew.

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Ghost Train Fight for survival

IQ Test Solve the first riddle

Counterintelligence Complete Chapter 2 in Ada's campaign.

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Down Boy! Kill a zip-lining enemy player in multiplayer.

Freefall Don't look down

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

Exit Stage Right All the world is a stage

Memories of Another World Completed Episode 15.

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

Children of the Past Completed Episode 16.

Ada's Demise Complete Chapter 4 in Ada's campaign.