It sounds like you're looking for a way to get working on modern systems—specifically for the Sonic 3 A.I.R. (Angel Island Revisited) fan project.
Sonic 3, or more formally known as Sonic the Hedgehog 3, was released in 1994 as well, shortly before Sonic & Knuckles. It's a side-scrolling platformer that continues the adventures of Sonic and Tails, his trusty sidekick. Sonic 3 introduced new gameplay mechanics, such as the ability to transform into a more powerful version of Sonic called Super Sonic, and featured some of the most memorable stages and music in the Sonic series. sonic knuckles wsonic3bin file download hot fix
Sonic the Hedgehog 3 and Sonic & Knuckles are iconic Sega Genesis/Mega Drive games. Enthusiasts often combine them into Sonic 3 & Knuckles (S3&K) via emulation. The file wsonic3.bin is a commonly named ROM for the combined game in some emulator distributions. It sounds like you're looking for a way
If you previously purchased the game on Steam, you can find the file in your Steam directory: .../Steam/steamapps/common/Sega Classics/uncompressed ROMs/ . Command-line example (UPS patcher): ups_patch mySonic3
: Play the Super Sonic code ( 04, 01, 02, 06 ) twice in the sound test menu.