Inspired by a "dream journal" written by Hiroko Nishikawa, LSD is basically a simulation-based game themed around dreams and nightmares.Inspired by a "dream journal" written by Hiroko Nishikawa, LSD is basically a simulation-based game themed around dreams and nightmares.Inspired by a "dream journal" written by Hiroko Nishikawa, LSD is basically a simulation-based game themed around dreams and nightmares.