The Portopia Serial Murder Case

Portopia Renzoku Satsujin Jiken (ポートピア連続殺人事件?, literally The Portopia Serial Murder Incident), is an adventure game designed by Yuji Horii and published by Enix (now Square Enix). It was first released on the NEC PC-6001 in June 1983, and later ported to other personal computers. Chunsoft ported the game to the Nintendo Famicom, known outside Japan as the Nintendo Entertainment System, or NES, on November 29, 1985, and to different mobile phone services starting in 2001. It is the first part of the Yuuji Horii Mysteries trilogy, along with its successors Hokkaido chain murder: disappearance of Ohotsuku (Hokkaidou Rensa Satsujin: Ohotsuku ni Kiyu, 1984) and The Karuizawa Kidnapping Guide (Karuizawa Yuukai Annai, 1985). There are several fan translations to English but no official translation.