MD.emu is probably the best solution for SEGA Genesis emulators. It's an open source project that most other SEGA Genesis emulators are based off of. This one works with SEGA Genesis/Mega Drive games as well as SEGA CD and Mark III games. This makes it the most versatile emulator of the group.Can the Genesis play Mega Drive games?
Most Genesis games will work on Mega Drive without the use of an adaptor and you can play Mega Drive games on Genesis with the help of an adaptor. Sometimes when a game was not re-released on a Mega Drive cartridge, the Genesis version would be imported for play on the system.