The unofficial Legend of Zelda: Ocarina of Time PC port recently received support for a 60 FPS framerate update, significantly improving the gameplay experience from the N64 original. The port doesn't use reverse-engineered source code, unlike Super Mario 64, making it less likely to run afoul of legal challenges.
https://www.notebookcheck.net/The-Legend-of-Zelda-Ocarina-of-Time-gets-a-full-fledged-PC-port-hitting-60-FPS-for-the-first-time.616655.0.html