Stars - Biology Demo (PD) ROM Download can be obtained free for Nintendo on EmuGames.net only. Play emulator game in English for the USA region. Stars Biology Demo is a NES ROM that you can download to your computer or play online within your browser. You can also download roms such as WWE All-Stars and Kirby Super Stars Ultra that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.