Mundial Ronaldinho Soccer 64 is an unofficial and unlicensed game for the Nintendo 64. The game is a soccer game with brazilian teams, starring the world famous soccer player Ronaldinho. It is a ROM hack/mod of International Superstar Soccer 64. It was one of the few unlicensed games released for the Nintendo 64, given its complex copy protection. The game had to borrow a CIC chip from another cartridge through a peripheral to be played.