Retham Hefin is an idiotic game that OliviaOil06 really likes. The games are made by Nitondo, with an arcade version by Say Guh.
Retham Tigoku- owned, game boy advance
Retham Hefin- owned, DS
Retham Hefin Feevur-owned, Wii
Retham Hefin Megamicks-not owned, 3DS
Gallery of dumb games lol
It's Rhythm Tengoku, Rhythm Heaven, Rhythm Heaven Fever, and Rhythm Heaven Megamix. All are made by Nintendo.