It sounds like you’re referring to a specific ROM file or game data file associated with Sonic the Hedgehog 3 , likely from a ROM hack, prototype, or a misnamed file.
One brave modder, determined to unravel the mysteries of "wsonic3.bin," spent countless hours reverse-engineering the file. After months of tireless work, they finally managed to extract a playable build of the early Sonic 3 prototype. sonic_knuckles_wsonic3 bin file