If you are a retro game preservationist, a ROM collector, or simply a fan of plumber-based platforming perfection, you have likely stumbled across a cryptic string of text in your travels:
Searching for the file? Check retro gaming forums and archive dot org, but verify the MD5 hash against the No-Intro database to ensure you have the true "UPD" revision. vs super mario bros vsnes goodnes 314 upd