u/No-Metal972

is there any rom hacks that add more content to the base game? not just more characters playable or textures, i mean whole courses, stars and power ups, plus the base game, i am not looking neither from a whole new game/adventure like last impact for example, something like mario 64 ds did, but as a rom hack for the og

https://preview.redd.it/9hjfqly980wg1.png?width=686&format=png&auto=webp&s=3973eb8fdf6df0cc5e4c6ce2599a98c8c6c5c536