Gehirnaiming

Keep the Good Times Rolling Chain a 20-defeated combo in Slayers.

Gladiator Complete Mutant Bash TV in the Campaign

Arts and Crafts Construct 10 Engineering Items

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Rolled Over You managed 5 car rolls in a row from one crash.

Debunked Complete Shrouded Bunker in the Campaign

Manhunt You completed the most wanted side mission.

Paint Splurge Fire 5,000 paintballs

Wellness Plan Complete The Well in the Campaign

Run the Gauntlet Complete "Desperate Escape" on Professional.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Jail Break Complete Authority Prison in the Campaign

Army of One Win 15 matches in Slayers.

Decapathon Get 10 Headshot kills with the Wingstick

Rexecutioner Destroy the Metal Gear REX boss

ytiC daeD Complete Dead City Reverse in the Campaign

Liberty City (5) Your friends all like you above 90%.

QuickFire Artiste Fire 40 paintballs in under 5 seconds

Mutie Blues Complete Blue Line Station in the Campaign

Eye of the Tiger Win 15 matches in Survivors.

Vault Assault Complete Gearhead Vault in the Campaign

The Team That Slays Together... Win 15 matches in Team Slayers.

Power Struggle Complete Power Plant in the Campaign

We Will Survive Win 15 matches in Team Survivors.

Decrypted Complete Jackal Canyon in the Campaign

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Tinkerer Construct 50 Engineering Items

Hey, not too rough Finish the Campaign on any difficulty

Join The Midnight Club You won a multiplayer race without damaging your vehicle too much.

Fresh Meat Complete a public Road RAGE match

You Got The Message You delivered all 30 cars ordered through text message.

Mr. Oddjob Complete 5 Job Board Quests in one play-through

No More Strangers You've met all the random characters.

Jetpacker Kill an Authority Enforcer during Jetpack descent

Teamplayer You killed 5 opposing team members.

Passive Aggressive Get 3 kills with a single Sentry Bot

Roadkill Run over 10 Mutants

Play Complete all story levels without dying, with the exception of those levels that only end when you die

Booty Master Collect all the prize bubbles on the story levels

Demolition Man Destroy 100 Enemy Cars

JACKPOT! Roll 4 Targets in the first round of Tombstones

Diamond Hunter Destroy the 5 hidden target diamonds in Act 4: The Level Factory

Keep 'Em Coming Get 5 kills with one deployed Sentry Turret

Dare Devil You completed all the unique stunt jumps.

Hurt me plenty Finish the Campaign on at least Normal difficulty

Three Birds, One Bomb Car Kill 3 Enemies with one RC Bomb Car

MVP Get first place in a public Road RAGE match

Endangered Species You collected every hidden package in the game.