During gameplay press ENTER to go to console, then type the following cheats followed by ENTER:

Code - Effect

victoryismine - Win Mission
wasted - Lose Mission
lasik - Remove Fog Of War
gimme - Get 100 Gold
knowitall - Unknown Effect

Note:

A visitor of CheatingDome.com, Sing Loc, reported that you can also use:

1. "ENTER"
2. gimme 10000

To get much more gold!