Then for absolute insanity, try setting starting gold, warrank, and level to highest. Grunt strength high, flag capture low, as well.
Eh. I tried this in single player some time ago... And I still have nightmares about it.
If you think that the creeps are what makes this type of gamemode crazy, wait until you witness the destructive power of an AI-controlled, melee-based Demigod with unlimited money to burn.
You have been warned.