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Weapon Aficionado Reached proficiency level 10 with any weapon type

Dealt with every Little Sister The player has either Harvested or Rescued every possible Little Sister

12 Days of Pandora Mastered the technology of Pandora

No Man's Land Restore power to the bridges of Gotham City.

My Brother is an Italian Plumber Killed an enemy plumber-style

Discovered Krom's Canyon Discovered Krom's Canyon

Duel-icious Won a duel against another player

Facemelter Killed 25 enemies with corrosive weapons

Fully Researched Houdini Splicer Fully research the Houdini Splicer

Down in Front! Killed 15 enemies with the Soldier's action skill

Made in Fyrestone Completed all missions in the Arid Badlands

Ding! Hardcore Earned level 30

Duelinator Won a duel without taking damage

Pandora-dog Millionaire Earned $1,000,000

Time For Tutorial Collect everything in Spongebob's House

Wanted: Krom Killed Krom

Discovered Trash Coast Discovered Trash Coast

Down, Not Out Defeat an enemy while dying, then recover without any help.

Jellyfish Jam Defeat Jellyfish King

Fully Researched Rosie Fully research the Rosie

Destroyed the Hive Killed the Rakk Hive

There's No "I" In "Team" Completed 15 missions in co-op

Money Talks Complete Chapter 1 in Jake's campaign.

Discovered Crimson Lance Enclave Discovered Crimson Lance Enclave

Truly Outrageous Killed an enemy with the Siren's action skill

Discovered Eridian Promontory Discovered Eridian Promontory

Wanted: Flynt Killed Flynt

Finish What You Start Perform a coup de grâce on ten enemies.

Destroyed the Destroyer Killed the Vault Boss

Fully Researched Nitro Splicer Fully research the Nitro Splicer

Lucky Winner Hit the jackpot at a slot machine

Living Hell Interrogate the Militia APC Driver.

Fully Researched Little Sister Fully research the Little Sister

Family Counselor Find the baron's wife and daughter.

Spatula Seeker Collect 10 Golden Spatulas

Cold World Destroy the first weapons cache in Gotham City.

Duty Calls Complete Chapter 5 in Chris' campaign.

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

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

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

Friends With Benefits Complete the subplot involving Keira Metz.

Five Fully Upgraded Weapons Fully upgrade five weapons

Sponge Smasher Defeat 100 robots as SpongeBob

A Battle Within Fight for your sanity.

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

Triple Threat Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).

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.

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