During the game, press Enter and enter these codes:
Cheat Code - Granted Wish
~simsimhae - Fast Build
~baegopa - Add 500,000 to All Resources
~makemyday - Enable Cheat Codes
~amosbemerciful - Full Mana
~knowledgeispower - Fast Mana Rejuvenation
~godblessu - Full Health
~opensesame Open All Doors in RPG Mode
~hastalavista Destroy Selected Unit or Structure
~dayspring - Reveal Map
~lickmybun - Level Up
~theuntouchable - Invincibility
RPG Mode
While in RPG Mode, use "." instead of "~" with cheat codes.