Populous 2

Increased mana:
Enter the "World Options" menu selection during game play. Enter ITCHY SCALP as a code and press [Enter]. Return to the game and press M to increase the mana.

Allow more power in custom game:
Select the "Conquest Game" option, then enter TIOW or any other password that is associated with a level with more power. Select "Cancel", then choose "Custom Game". The powers from the conquest game will be available during the custom game.

Conquest game level passwords: