1) Go to the game folder
SpellForce 3: Activate Cheat Codes Free Download
2) Open the config_system.txt file
3) We are looking for the line [Debug_Logic]. There are cheats under it.
Here are some of them:
FreeBuildings true – Allows you to place buildings instantly at no cost (also disables any requirement checks)
Godmode true – Prevents player controlled heroes from dealing damage and losing focus
AllCreaturesControllable true – Allow control of all creatures (almost)
FreeCharacterModification true Allow to unlock skills without attributes