First press TAB to enable cheats then enter one of the following codes

nwcquigon Advance Level
nwcpadme Hero gets Archangels
nwcdarthmaul Hero gets Black Knights
nwccoruscant Hero gets all buildings
nwcr2d2 Hero gets all battle machines
nwcwatto Hero gets money and resources
nwcpodracer Hero gets lots of movement points
nwcprophecy Show Obelisk Map
nwcrevealourselves Show Terrain Map
nwcmidichlorians Hero gets all spells and lots mana