Decathlete / Sega ST-V Board

Decathlete ist a sporting game by Sega

This game is a sports simulator using 3-D polygon graphics to represent players. Alternate pressing the run buttons as fast as possible to increase the characters' speed or power.
The game uses the Sega Titan ST-V motherboard with the Decathelete cartridge. This cartridge easily be swapped for other ST-V cartridges