Ed-On (1983)(Add On Electronics)(Tape 2 Of 2) ROM Download for Mattel Aquarius (). Ed-On (1983)(Add On Electronics)(Tape 2 Of 2) game is available to play online and download only on Roms Games. Ed-On (1983)(Add On Electronics)(Tape 2 Of 2) ROM for Mattel Aquarius download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.