Planetokio 64

Planetokio 64 was a planned Nintendo 64 port of Planetokio that was going to be released in the summer of 2000, but was cancelled for unknown reasons. No screenshots or videos exist, and no prototypes have been found.

Trivia

 * Planetokio 64 was likely intended to be an one-cartridge game, as the original PlayStation game was a 3-disc game.