Sonic 3D Blast (Beta) ROM Download for SEGA Genesis (Genesis) on Emulator Games. Play Sonic 3D Blast (Beta) game that is available in the United States of America (USA) version only on this website. Sonic 3D Blast (Beta) is a SEGA Genesis emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Sonic The Hedgehog 3, Duke Nukem 3D and Xenon 2 Megablast [c] as shown below. Sonic 3D Blast (Beta) works on all your devices in high quality.