Nintendo’s Wii outsold rival Sony’s PlayStation 3 (PS3) three-fold in Japan last year, helping the country’s multibillion-dollar video game market to notch up its best-ever year, a survey showed on Monday. Nintendo sold about 3,63-million Wii consoles in its home market in 2007 while Sony sold 1,21-million PS3s, according to magazine publisher Enterbrain.