integerLimit

Multi-Disciplined Attain a gold medal in all applicable hobbies and pastimes.

Road Rage Slap an opponent on any level

Operation Safe Harbor Complete Operation Safe Harbor.

Float like a butterfly Beat Kid X-Mas in under 5 minutes without dying

Out of the friend Zorn Beat a Zorn in under 120 seconds

Bringing Down the House Earn 42 Gems.

Tourist Send an opponent through all three Metropolis transitions in one fight

Slow Mo Kill 50 enemies while they are in stasis.

Operation Blood Storm Complete Operation Blood Storm.

Gun Fanatic Obtain all weapons.

.45 old school Perform 45 kills with the M1911 Handgun in Multiplayer

Won them all Win a round of each game mode

Power off In the final memory remix: have Jax short-circuit, but keep everybody safe

Hmmmmm... Wield the Mysterious Amulet.

Project: Resurrection Complete the mission "Project: Resurrection".

The fallen Make 50 Leapers fall off walls

Operation Pure Threat Complete Operation Pure Threat.

Quick Strike Be the first one to defeat an enemy in a multiplayer match.

Power Spike - Nail a Helghast to an exploding object Used the Boltgun to nail a Helghast to an exploding object

Operation Grave Robber Complete Operation Grave Robber.

Hurler Kill 100 monsters with thrown melee weapons

Trigger unhappy In the Forlan memory remix: have Forlan get the gun, argue with Alexia but not kill her

Master of Deception In the campaign, eliminate a Scout Trooper with Iden’s melee takedown.

Chain Smoker Disable 50 enemies using smoke grenades.

Balance Point In the campaign, eliminate five enemies at once using the Barrage.

Aces High Clear half of the most-wanted board.

First Do No Harm Finish hospital quests for Cecil

Ashes of the Empire Complete the mission "Ashes of the Empire".

Pearls in the Mud Open 5 GRE chests in Quarantine Zones

Resourceful Agent Help friendlies in resource gathering.

Get Your Hands Dirty Complete 'Semper Fi' on Veteran difficulty. (Solo only)

Targets of Opportunity Complete all ship boarding side missions.

Ice To Meet You Shattered 3 frozen enemies with a single slam attack.

Make it Raaaaaid Vanquish the Ancient Dragons of Destruction.

Accept No Substitutes Shoot the imposter.

From Beyond the Stars Collect and return all spaceship parts.

Cosmic Completionist Discovered all named locations.

Jackal Ace Earn all Jackal weapons and upgrades.

Inferno Complete the mission "Inferno".

Executioner Killed 10 enemies in a single activation of Showdown.

Obsessed Collect 10 pictures of Moxxi in Campaign of Carnage.

A Mystery, Solved Solve the mystery of Leonora Johnson.

Operation Sudden Death Complete Operation Sudden Death.

Exo Survivor Successfully complete the Exo Survival Bonus Wave.

Totally Recalled Successfully recovered the Override Key.

Obtain level 70 Obtain level 70

Bomb squad Deliver 5 bombs in Obliteration

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

Firestarter Complete a level using only the flamethrower. Melee, grenades & explosives are OK.

Lunar Looter Looted 10 Moonstone Chests.