|Platform(s)||Windows, Linux, macOS|
|BIOS/Keys||Required for Sega CD and 32X|
A high-quality emulator with high compatibility. Unfortunately, it's closed source and no longer updated. For this reason, other Sega Genesis emulators have surpassed it in terms of compatibility. Genesis Plus GX has 100% commercial game compatibility. However, it lacks the 32X support that Kega Fusion has.
On Windows 10, an incompatibility issue causes the emulator to freeze once attempting to switch to fullscreen mode. However, this can be easily fixed by right-clicking on Fusion.exe > Properties > Compatibility > check "Disable Fullscreen Optimizations."