wii controller works on the wii platform. Wii is the TV games platform produced by Nintendo, a big game platform company in the world . wii is the most popular TV games platform in the world, wii has more sales than the ps2 platform. wii controller is the part of the wii. But this wii controller only can play the wii games , wii controller can not play the games on the Nintendo gamecube, if you want play the Nintendo gamecube games you should have a gamecube comtroller.