Osamu Sato is a Japanese digital artist, video game developer, photographer, and composer. His first work was the ambient music album, Objectless (1983). His first work in the video game industry was Eastern Mind: The Lost Souls of Tong Nou, which first released in Japan for Classic Mac OS in 1994, and in North America for Microsoft Windows the following year. In 1998, Sato created and produced the PlayStation game LSD: Dream Emulator, for which he also contributed design work and composed the soundtrack. The game later became his most recognizable work outside of Japan.