Sumo had already been established as a gametype played on flat surfaces or in bowls, but I wondered what would happen if you were literally playing king of the hill in Sumo. Struggle to push enemy Mongooses off of the top of hill and out of the map, but make sure you pull away in time or else you too will roll down the hill into certain death
Credit to TurbTastic for the original Mongoose Sumo map and gametype.