DaKingOfNothing

Symmetry Activate the Symmetry laser.

Biotics Bling Collect all the items on Biotics Lab

Gadgeteer Obtain all regular weapon gadgets

Mortal Coil Shuffler Extraordinaire Accumulate 20 deaths in one Story level

Catacombs Cash Collect all the items on Catacombs

Vertical Mobility Help a grunt become an Overlord.

Expensive Taste Used the Grinder to create a Legendary item.

Outpost Offerings Collect all the items on Outpost

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Rise to the Top Complete Classic Battle with any character

Sound of thunder Unlock all Codex Entries in Through Mud and Blood

The Collector 2 Find 6 the lost treasure.

Bounty Hunter 1 Collect the bounties on 3 mini-bosses.

Impossible Trinity You completed the mission "Museum Piece".

Digitize Me! Digitized into Claptrap's Brain.

Skilled Upgrade any ability once in single-player mode.

Bolt Scavenger II Collect 100,000 Bolts

Patience is a virtue Experience all 3 endings in the Campaign

Above & Beyond (Hardcore) Reach level 70 in Hardcore mode.

Air Supremacy Killed 100 enemies with Wolf.

Nose for News Uncovered the secret of Dionysus Park.

Tranquility Lane Completed "Tranquility Lane"

Walk Free You successfully lost a 4 star wanted rating.

Holtzman Defeat Hazard Company league boss Holtzman

The Bigger They Are Defeated the Invincible Empyrean Sentinel.

Welcome to the Basement Win a Quick Race on any track in the Basement (not unlockable in Split Screen mode).

Magma Racer Earned a silver medal or better in the Rift Plane Health Race.

Bonus Stage Complete a Slayer Gate

Understanding Madness Complete Demon Within on Hardened, Veteran, or Realistic.

Curator of Nightmares Recreate all of Iris' nightmares in the Painted World.

Found Lamb's Hideout Gained access to Lamb's stronghold.

Life of the Party Send a Destroyer on a Vendetta Mission.

Reunion Reunited with your original Little Sister.

Makeover Change your costume

What is the Labyrinth? Meet the Labyrinth Keeper

Blood on Blood Make a Captain kill his bloodbrother.

Registered Voter Head to 'Arena Preferences' and use all of your votes

Fully Upgraded a Plasmid Fully upgraded one Plasmid to the Level 3 version.

Dead Undead! Defeat the Undead Knight Boss.

Literal Genius Have a Sim reach max level in the Writing skill.

Escape Escaped Rapture.

Heading to the Surface Headed to the surface on the side of Sinclair's escape pod.

Every nook and cranny Find 21 collectibles in the Campaign

Manor Money Collect all the items on Volter Manor

Cortex's Terrifying Trial Earn the Key in Jaws of Darkness.

Sting like a Talon In Campaign, kill 20 enemies while flying the same Talon.

Outlaws on the Rise Equip a full setup with the Outlaw brand

Scientific Pursuits Completed "Scientific Pursuits"

Hope and Glory Equip a full setup with the Americana brand

Under the Hood Equip a full setup with the Chidori brand