If you can't find a safe "best free" download, or if you feel guilty, remember these official options:
The download completed with a soft ding . sonic 3 and knuckles steam rom download best free
. However, if you already own it or purchase the new collection, there are still legal ways to access the ROM for mods or external emulators. Official Ways to Get Sonic 3 & Knuckles Sonic Origins Plus If you can't find a safe "best free"