Populous - Krisalis Software

Click on Game Setup icon, then on the Custom Icon. Now click on Game Options
and define them to your wishes. Click OK on the Game Options window only. Now
click on Play as Evil. The sleeve on the hand pointer should turn red. Click
cancel on the Game Setup menu.

When the game is restarted, you will be back in Conquest mode and playing
Good. Evil will not be able to modify land at all! It gives minimum
aggression and minimum manna increase rate.