Blue Leg
50Complete the game on Easy
Complete the game on Normal
Shell Shocked
200Complete the game on Hard
Host
10Complete Mission 1 on Normal
Quarantine
10Complete Mission 2 on Normal
Infection
10Complete Mission 3 on Normal
Refuge
10Complete Mission 4 on Normal
Trip
10Complete Mission 5 on Normal
Hunted
10Complete Mission 6 on Normal
Captured
10Complete Mission 7 on Normal
Payback
10Complete Mission 8 on Normal
Evac
10Complete Mission 9 on Normal
Whiteknight
10Complete Mission 10 on Normal
FUBAR
20Complete Mission 1 on Hard
Deep Serious
20Complete Mission 2 on Hard
Dinky Dau
20Complete Mission 3 on Hard
Complete Mission 4 on Hard
BOHICA
20Complete Mission 5 on Hard
Cut a Chogie
20Complete Mission 6 on Hard
Bush Master
20Complete Mission 7 on Hard
Complete Mission 8 on Hard
Complete Mission 9 on Hard
Complete Mission 10 on Hard
Bok-Bok
15Beat down an enemy
Beat down 15 enemies
Caca Dau
15Score a decapitating head shot
Score 15 decapitating head shots
Find and pick up every weapon
Gun Slinger
15Complete a level firing only a pistol
Complete a level without dying
Complete the game without being killed by an Infected
Hard Boiled
15Kill 3 enemies with one pistol clip
Kill 5 enemies with one AK47 clip
Army Issue
15Kill 5 enemies with one M16 clip
Cook-Off
15Kill 15 enemies with one belt of a non-mounted Heavy Machine Gun
Boom Baby!
15Kill 3 enemies with one rocket or grenade
Kill 15 enemies with the machete
Kill 150 enemies
Complete the game twice
SNAFU
15Dismember 50 enemies