Basil - The Great Mouse Detective (1987)(Gremlin Graphics Software)[48-128K] ROM Download can be obtained free for ZX Spectrum on EmuGames.net only. Play emulator game in English for the USA region. Basil The Great Mouse Detective is a ZX Spectrum ROM that you can download to your computer or play online within your browser. You can also download roms such as Rayman 2 The Great Escape and Great Circus Mystery Starring Mickey & Minnie The that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.