: You can play the original game directly in your browser on sites like SuperMarioPlay or SuperMario-Game . These versions often include level selection and keyboard mapping.

: A modern open-source PC port available on GitHub that supports widescreen and enhanced physics but requires you to provide your own ROM.

: A "multi-system" emulator that can run Mario using "cores" like Gambot or Nestopia. PC Ports & Remakes :

: Another reliable option often used for speedrunning or casual play.