SM64 Slide is a ROM hack of Super Mario 64, likely focusing on momentum-based movement and sliding mechanics. Super Mario 64, the original game on N64, emphasized precise jumps and movement. This hack builds upon that by introducing a new mechanic that plays with sliding and momentum. The gameplay will likely involve using new features like faster sliding mechanics.  The level design might be adapted to encourage this type of movement. This is a fan-made addition built on the foundation of the original.

SM64 Slide

SM64 Green Demon Challenge (IngoH Version)