To switch on cheat mode, type in "HUMANZEE"
whilst 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