To switch on cheat mode, type in
Evil Genius: Cheat Codes (English) Free Download
HUMANZEE
while in game. A graphic should appear to show it worked. You can then use the following cheats:
[Ctrl] + [S] Set off explosion / airstirke
[Ctrl] + [C] Add $ 100,000
[Ctrl] + [A] Army of Darkness (one of every henchman and minion)
[Ctrl] + [O] Give all items
[Ctrl] + [M / N] Turn on / off Global Chaos
[Ctrl] + [T] Gives all traps