Super Mario Galaxy 64 generally refers to one of two major community projects: a ROM hack for the Nintendo 64 that brings Galaxy-style mechanics to the 64-bit world, or a fan-made project that remakes Mario 64 levels using the Super Mario Galaxy 2 engine. Popular "Galaxy 64" Projects

Custom Engine: Rebuilt to support "walking on walls" and gravity shifts.

64-to-Galaxy Hacks: Remakes of classic Super Mario 64 levels (like Bob-omb Battlefield or Cool Cool Mountain) using the Super Mario Galaxy 2 engine on the Wii. A popular version of this is the Super Mario Galaxy 64: Holiday Special, which features winter-themed SM64 levels. How to Download and Play

Super Mario Galaxy 64 Download: Is This the Ultimate Crossover Fan Game?

For decades, two 3D Mario titles have stood on opposite ends of the spectrum regarding game design philosophy: Super Mario 64 (1996), the pioneer of analog, open-world exploration, and Super Mario Galaxy (2007), the masterclass of linear, gravity-defying spectacle. For years, fans have dreamed of a fusion between the two—what would it be like to explore Peach’s Castle with the spin mechanic and planetoids of the Wii era?