Press [TAB] while playing, then type:

Code                               Result 
nwcagents                          Fill empty slots w/10 black knights  
nwclotsofguns                      Gain all war machines  
nwcneo                             Gain a level  
nwctrinity                         Fill empty slots w/5 archangels  
nwcfollowthewhiterabbit            Maximize Luck  
nwcnebuchadnezzar                  Unlimited movement  
nwcmorpheus                        Maximize Morale  
nwcoracle                          Reveal puzzle map  
nwcwhatisthematrix                 Reveal world map  
nwcignoranceisbliss                Hides world map  
nwctheconstruct                    Gain 100,000 gold and 100 of each resource
nwcbluepill                        Lose game  
nwcredpill                         Win game 
nwcthereisnospoon                  Gain 999 Mana and all spells  
nwczion                            Gain all buildings  
nwcphisherprice                    Change games colors to a wierd color scheme