Heroes 3

To use these cheats, press TAB and type away. If the cheat affects a hero or town, be sure to have the hero or town you want to affect, highlighted

nwcshrubbery = +100 resources +10000 gold
nwcavertingoureyes = 5 Archangels in all empty spots of Hero
nwcfleshwound = 10 Deathnights in all empty spots of Hero
nwcgeneraldirection = Map revealed
nwcigotbetter = +1 level for current Hero
nwccoconuts = Unlimited movement for Hero
nwcmuchrejoicing = Full morale for Hero's troops
nwctim = 999 spell points for Hero
nwcantioch = all 4 warmachines for Hero
nwctrojanrabbit = end scenario in victory
nwconlyamodel = give all buildings and upgrades for town
nwcsirrobin = end scenario in defeat
nwcalreadygotone = get all of the puzzle pieces
gosolo = AI plays for you
nwcphisherprice = your colors go bananas

Those cheats are tested and do work (Information from Cheat Machine)