Mario's Candy Quest is a fan-made game for the Nintendo 64, a platformer starring Mario on a candy-themed adventure. The game's history is undocumented, existing primarily within the online ROM hacking community.  Its gameplay likely involves traversing candy-themed levels, collecting items, and defeating enemies, all within the familiar framework of classic Mario platforming.  The game was likely created by a single individual or a small team of ROM hackers and is not officially associated with Nintendo.

Mario's Candy Quest

Mario Party in Super Mario 64