Kart Data 2000 

Kart Data 2000 is a small freeware utility that will calculate various kart chassis settings including gear ratio, track speed and corner weights based upon the information you specify. Facilities are also included to create Gear Ratio Charts.
braun racing data setup utility tool

Super Worms 

Great 3D racing game for one or two players. Drive your worm around tracks as fast as you can and use all the available items to slow down your opponents. Includes Practice, Grand-Prix and Battle Game.
worm worms mario kart racing race grand prix battle mariokart whacky wheels