Hokkaidou Rensa Satsujin: Ohotsuku ni Kiyu

Hokkaidou Rensa Satsujin: Ohotsuku ni Kiyu (北海道連鎖殺人 オホーツクに消ゆ) is a point-and-click graphical text adventure game developed by Login Soft and published by ASCII Entertainment. It was designed by Yuji Horii, and is the spiritual successor to Portopia Renzoku Satsujin Jiken. It was first developed for several popular lines of home computers in Japan, with the NEC PC-6001 and NEC PC-8801 versions being published in 1984, and the NEC PC-9801, FM-7, and MSX versions being published in 1985. It was later ported to the Famicom in 1987.

In the game, a man's corpse is discovered near a sea wharf in Tokyo Bay. The player must investigate the victim's identity and learn about related events in Hokkaido. A 2nd and 3rd murder occurs one after another while the player starts investigating with Shunsuke Saruwatari, a detective from the Kushiro station. The player must discover the criminal's motivation. An examination of the relation between the victims exposes a important details from the past. The game was never released in English, or outside of Japan. It was rereleased as a mobile game for cell phones in 2003.