Stackamac

Serrated Edge Finish a Juggernaut with a knife.

Five's a Crowd Save 5 Humans

Heart of Stone Completely liberate Insula Striate.

Chapters 1-4 (Normal) Complete Chapters 1 through 4 on Normal difficulty.

Score a x3 Multiplier in Showtime Awarded for reaching a x3 Multiplier in Showtime

Salvation Collect Salvation

Set a Showtime Road Rule on any road Awarded for beating any of the original Showtime Road Rule scores

Tourist Found all 6 Claptrap statues

Flight Attendant Kill all 5 enemies during the zero-g sequence in "Turbulence."

Soul Harvester Collect 100,000 Souls

Chaos Millionaire Get 1,000,000 Chaos.

Ding! Overleveled to 11 Reached Level 61

Friendly Fire Force a stilt scrap to shoot another scrap

Nein Kill 9 enemies with A-10 strafing runs in "Scorched Earth."

Unshakable Fortitude Collect 30 Slivers of Adamantine

I Wanna Rock Collect the Force Hollow

Delusions of Grandeur Defeat Lust

Score a x5 Multiplier in Showtime Awarded for reaching a x5 Multiplier in Showtime

Love Tap Defeat the Kraken

Power Park your car Awarded for successfully "Power Parking" your car between two other vehicles.

DLC: Mars: Welcome to Mars Reboot the Terminal on top of the Control Center Antenna.

Jump over another Player's Car Awarded for jumping over another player's car in an online game.

Small Tournament Completed the lesser challenge in all 3 coliseums

Petting Zoo Stroke 4 different types of creature inside your controller

Maximum Vigor Upgrade Nephilim's Respite Healing Amount 4 Times

A Real Gear-Getter Earn at least 3 Gears in one Challenge of every type.

Smash 60 Burnout Billboards Awarded when you smash through your 60th pristine Burnout Billboard

50/50 Complete a Special Ops Mission Mode game with the same number of kills as your partner.

Eat Your Heart Out Defeat Gluttony

Freeze Frame Collect the Stasis Hollow

...Without Bullets! Destroy every Chaos Object in a Military Base without weapons, grenades, or planted explosives.

Earn your 'A' Class License Awarded when you receive your 'A' Class License

For Whom the Bell Tolls Kill Lust Without Defeating Usiel

Bouncer Bounce on two bouncer scraps without touching the ground

Vincible Killed Crawmerax the Invincible

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

Seeing Red Defeat Wrath

Set 10 Time Road Rules Awarded when you set your 10th Time Road Rule.

Big Spender Spend 50 Attribute Points

Can you restore the Balance? Upgrade an Enhancement to Balanced

Stealth Fighter Defeated 20 enemies as Stealth Knack and completed the chapter

Complete any Bike Day Road Rule Awarded when you set your 1st bike Day Road Rule.

Egomaniac Defeat Pride

Protector of Humanity Complete the Game on Any Difficulty Setting

Everybody Wants to Rule the World Defeat the Final Sin

Harlequin Change the color of every part of your messenger

Complete a Freeburn Challenge Awarded when you complete your 1st Freeburn Challenge.

Scout Leader Collect 46 Intel Items.

Leave no one behind DLC Vietnam: Free the 3 US prisoners of war (Host only).

Wendell's Story DLC Vietnam: Complete the game (Host only).