With Chest Hair
Complete all the levels in the game on the highest difficulty.
200 
Horse Puncher
Punch a horse in the face, killing it.
100 
Ghandi Award
Complete a combat level without using any lethal attacks.
100 
Rage Fists
Kill at least 25 NPCs with your bare hands.
100 
Complete Darkest of Days
Complete all levels in the game on normal difficulty or higher.
100 
Pistol Upgrade
Fully upgrade all pistol settings.
100 
Rifle Upgrade
Fully upgrade all rifle settings.
100 
Secret Mission
Locate and complete the secret mission at the end of the game.
75 
Bomb Technician
Kill yourself with an explosive device.
25 
Tethered Swimming
Die of suffocation underwater.
25 
Complete Civil War
Complete all levels in the Civil War campaign.
25 
Complete WW1
Complete all levels in the WW1 campaign.
25 
Complete WW2
Complete all levels in the WW2 campaign.
25