is a cyberpunk-themed graphic adventure game directed and written by Hideo Kojima and produced by Konami. It was originally released in Japan for the NEC PC-8801 and MSX2 computer platforms in 1988. A CD-ROM-based remake for the PC Engine was released in 1992, which was subsequently localized into English for the Sega/Mega-CD in 1994 in North America and Europe. The enhanced version was later ported twice more to the PlayStation and Sega Saturn in Japan.