Cube Gradius 3 Cube Simulation (1991)(Fukuiinchou) ROM Download can be obtained free for Sharp X68000 on EmuGames.net only. Play Gradius emulator game in English for the USA region. Cube Gradius 3 Cube Simulation is a Sharp X68000 ROM that you can download to your computer or play online within your browser. You can also download roms such as Cube and Nintendo GameCube Service Disc Version 1.0 03 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.