Complete all trophies
Use cheats
Find Lavender's secret
Pick up a bar of soap in each level
Watch the credits to the end
Complete all three episodes
Complete episode 3
Earn the 'Completionist' award in every level
Reach E3MS
Neutralize Chomper
Complete episode 2
Telefrag the Guardian
Find 'Wife of Intoxigator'
Reach E2MS
Complete episode 1
Find a "You aren't supposed to be here go away" sign
Get past wave 20 in Endless Mode
Get past wave 10 in Endless Mode
Get past wave 5 in Endless Mode
Beat a level on 'Duskmare'
Kill an enemy by spinning your weapons
Find Dopefish
Kill Intoxigator while intoxicated
Earn the 'Untouchable' award
Earn the 'Pacifist' award
Beat par time in a level
Earn the 'Low Tech" award
Reach E1MS
Find Rachael's secret
Earn the 'Completionist' award