Biorhythms (1983)(Mattel) ROM Download can be obtained free for Mattel Aquarius on EmuGames.net only. Play emulator game in English for the USA region. Biorhythms is a Mattel Aquarius ROM that you can download to your computer or play online within your browser. You can also download roms such as Klax .dsk and Shin Seiki Evangelion Koutetsu No Girlfriend that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.