While playing, hold CTRL+SHIFT+S+X. Hold it for about three seconds and let go of S. A red cursor will appear in the corner. Now type in the following codes:

mcleod 1	- Invincibility
mcleod 0	- Invincibility off
clear		- Clears all fog
toys(#)		- Puts # toys in box 
team(#)		- Put # of toys into battle
win         	- You win
lose        	- You lose
killem		- Kill highlighted soldier

Thanks to Revolution readers Brandon Sullivan, Tony Mangello, Lishy "small soldier", and Kelvin Leung!