Play SEGA Games Online in high quality. All the retro Sega games for the retro gamer, we have over 503 SEGA games in our collection. Start playing your favorite SEGA emulator games now and use the menu on the right to browse our game collections. Feel free to comment on and upvote the best SEGA games you enjoyed playing! Begin by playing popular Sega titles like Sonic Mania Edition, Ultimate Mortal Kombat Trilogy, Sonic the Hedgehog 3 and Sonic & Knuckles + Sonic the Hedgehog 3.