Super Mario UltraStelle
An Italian SM64 hack made by AfertussGamer.
Story: browser ha rubato tutte le UltraStelle che servivano ai toad per un progetto segreto, quindi toccherà a Mario riprenderle tutte / bowser has stolen all the UltraStars that the Toads needed for a secret project, so it's up to Mario to get them all back.
(Note: This hack does not currently have saving. You can only save the game by collecting a 100 coin star or pressing a cap switch. Also, you can only leave a course by collecting a star. Exiting course crashes the game.)