3D Block ROM Download for Nintendo (NES) on Emulator Games. Play 3D Block game that is available in the United States of America (USA) version only on this website. 3D Block is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Sonic 3D Blast 5, Magic Block and Sonic 3D Blast 6 as shown below. 3D Block works on all your devices in high quality.