Press ENTER while playing, type any of the following codes, then press ENTER again: 

Code                    Result
moneyfornothing         Set Mana and Gold to 9999	
borntorun               Party Movement Points to Full	
help!                   Heal Entire Party	
wearethechampions       Win Mission	
loser                   Lose Mission	
herecomesthesun         Unlock Entire Map	
paintitblack            Hide Unseen Map	
anotherbrickinthewall   Allowed to Build at Capital	
givepeaceachance        Peace with all Nations	
badtothebone            War with all Nations	
cometogether            Alliance with all Nations	
jump                    Members XP to Next Level -1	
stairwaytoheaven        Level Up for Entire Party	
lifeisacarnival         Revive All Dead	
allalongthewatchtower   View Enemy Info	
invisibletouch          Unknown Effect	
letsdothetimewarpagain  Unknown Effect