Sonic & Knuckles + Sonic The Hedgehog 3 (Europe) ROM Download can be obtained free for Sega Genesis on EmuGames.net only. Play Sonic emulator game in English for the USA region. Sonic & Knuckles + Sonic The Hedgehog 3 is a Sega ROM that you can download to your computer or play online within your browser. You can also download roms such as Sonic Advance and Sonic The Hedgehog 3 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.