LSD (also known as LSD: Dream Emulator) is a surrealistic exploration video game developed and published by Asmik Ace Entertainment for the Sony PlayStation in Japan on October 22, 1998. The game is based on a dream journal that Hiroko Nishikawa, an artist at Asmik Ace Entertainment, had been keeping for a decade. It is one of three products released in conjunction with the journal, with the other being a music album. (wikipedia.org)