Summary: Sega manages to pack just about every great Genesis game into one UMD. With games like Shinobi III, Ecco the Dolphin, Vectorman, Comix Zone, Sonic the Hedgehog and the three 16-bit Phantasy Star games, the Sega Genesis Collection is a must own no matter what type of gamer you are! Tweet This product was submitted by the publisher for review. As a rule, Defunct Games does not review games we spent money on. However, that does not always apply to classic/retro games.