Gunscape

Boxer

Kill 50 players with your Fists

Burninator

Kill 100 players with the Flamethrower

Flag hog

Steal 25 flags in CTF

Flag runner

Win 25 CTF games

Genocide

Kill 5,000 AI enemies

Hazmat

Win 25 Infection games

Marksman

Kill 1000 players with the E-Bow

Massacre

Kill 1,000 players with the PFG

Mr Assist

Return 25 flags in CTF

Rubbing shoulders

Play your first split-screen game

Serial killer

Kill 1,000 players

Slice-N-Dice

Kill 100 players with the ID Disc

Sniper

Kill 500 players with the Gauss Rifle

Splatter

Kill 500 players with the Dual Zhotguns

Survivor

Won 25 Survival games

Trapper

Kill 50 players with the Speargun tripwire

Campaigner

Build a multi-map campaign map

Engineer

Program 5 Terminals

Stonemason

Place 10,000 blocks in Build mode

Assassin

Kill 5 players with a knife

Flag bearer

Play your first Team Capture-The-Flag game

Checkpoint!

Place a Checkpoint in your map

Contagious

Play your first Infection game

It's Alive!

Publish your first map

Team playa

Place a flag in your map

Suicidal

Killed yourself 50 times

Champion

Win 50 Deathmatch games

Man with the Gun

Play your first Gun Game game

Veteran

Finish the Blowfish campaign

Centurion

Place 100 blocks in Build mode

Dino Hunter

Kill a dinosaur boss

Builder

Create your first map

I'm on your side!

Play your first Team DeathMatch game

Newbie

Finish the first Blowfish campaign map

Block em

Place your first block in Build mode

Expendable

Kill 100 AI enemies

Slip-N-Slide

Use the Freezethrower to slide 3 blocks

Terminated

Kill a robot boss

Hater

Rate another player's map as bad

Kill em all

Play your first Free-For-All DeathMatch game

First blood

Kill an enemy player

Voter

Rate another player's map as good