Okhotsk ni Kiyu

Originally released by ASCII for the PC-8801 in 1984, this title is a landmark mystery adventure created by legendary designer Yuji Horii. Starting with the investigation of a corpse found at Tokyo's Harumi Pier, the player takes on the role of a detective who travels to Hokkaido with their partner to uncover a series of murders hidden within a web of complex human relationships. Its realistic setting, informed by meticulous research and immersive local atmosphere, combined with a suspenseful, unpredictable narrative, deeply captivated PC users of the era. This game remains a historically significant treasure, eloquently storytelling the evolution of the narrative-driven adventure genre in Japanese gaming history.

The story begins when a man's drowned body is discovered at Harumi Pier in Tokyo Bay. As a skilled detective from the Tokyo Metropolitan Police Department, the protagonist investigates the scene and uncovers suspicious connections leading to a mystery in Hokkaido. Upon traveling north to uncover the truth, the protagonist is met with a series of additional, terrifying murders. Working alongside local police, the player must navigate the vast landscape of Hokkaido to solve the truth behind the serial killings.