Moira Quirk

Three kids dawning the different colors blue, red, and purple compete in relatively cool-looking olympic-style games to achieve as many points as they can. At the end of every episode, they climb a big fake mountain, braving tumbling rocks made out of styrofoam, sparkling glitter, shooting steam, and loud sounds while trying to hit all the "Actuators" along their way to the summit. (imdb)

Nickelodeon Guts goes international with contestants from different countries.