Seaman (video game)

https://en.wikipedia.org/wiki/Seaman_(video_game)

Vivarium, designer Yoot Saito; Dreamcast Japan 1999-07-29, NA 2000-08-08, PS2 Japan 2001; microphone conversation, tank heat, water, and food, daily check-ins, five life stages, Leonard Nimoy narration.

Seaman