Monster Poolside Sumo

Description
Monster Poolside Sumo is a simple game based on rules of full-contact wrestling sport known as sumo. Player chooses and controls one of five characters (that do not differ in terms of gameplay mechanics) and competes in a sumo tournament.
Character is controlled using arrow keys - up key moves characters forward and left/right keys rotate character, changing movement direction.
Single game consists of thee rounds. Each round lasts for 60 seconds and during this time, player has to push enemy so he touches ground outside red circle playfield. If achieved twice or thrice in a level, player proceeds to fight against next enemy. Otherwise, character loses life and level is repeated. Character starts with 4 lives.