While playing, press [ENTER], then type any of the following codes:

Code - Result:

SELFDEFENCEAGAINSTFRESHFRUITS - God Mode for Units
MOTORHEAD - One Hit Kills
BICYCLEREPAIRMAN - Free Repair
SPOTTHEBRAINCELL - Add 1000 XP to Unit
MONEYSONG - Add 1000 Prestige to Unit
DIRTYHUNGARIANPHRASEBOOK - Win Mission
MRHILTER - Call for Support
THEFUNNIESTJOKEINTHEWORLD - Unknown Effect