I rounded up a small selection of studio sounds that Xenon voice, sound, & music creator Suzanne Ciani did while working on the came in 1979-1980. Wish someone could make a home ROM including these as alternate sounds for the game. Dropbox link:
https://www.dropbox.com/sh/lolfi4y6rejxn03/AAD9MaU0BFPOdmsosABiRneda?dl=0