Reach E2MS
Neutralize Chomper
Reach E3MS
Kill an enemy by spinning your weapons
Reach E1MS
Beat a level on 'Duskmare'
Earn the 'Untouchable' award
Get past wave 20 in Endless Mode
Get past wave 10 in Endless Mode
Get past wave 5 in Endless Mode
Use cheats
Watch the credits to the end
Complete all three episodes
Complete episode 3
Earn the 'Low Tech" award
Earn the 'Pacifist' award
Complete episode 2
Telefrag the Guardian
Open Duskworld
Earn the 'Completionist' award
Complete episode 1
Beat par time in a level
Kill Intoxigator while intoxicated
Pick up a bar of soap in each level
Earn the 'Completionist' award in every level