Mog Aspen GP
Challenge it with a better variation. Say how to beat it; GameMog gets the original's code and your idea and writes the variation, and it is raced in a real browser before it can publish. Players who have played both pick the better one, and the original is always credited.
White Whale takes on Lux, Pepe and Doge: four laps on snowmobiles down a bluebird mountain, off cornices and over crevasses.