Psycho Mystery Series Vol. 9: Chain - Hakuba no Kishi Rensa Satsujin Jiken

Chain: Hakuba no Kishi Rensa Satsujin Jiken is a part of Genki Mobile's Psycho Mystery series, a set of murder mysteries with a psychological and supernatural theme. This entry features an investigation into the mysterious serial killer "White Knight", a hacker who places a message on victims' cell phones before killing them. The mystery seems to end with White Knight's own death, only for the mystery to start to deepen as the player investigates.

As with the other games in the Psycho Mystery series, this is a menu-driven Japanese-style adventure game. Players read dialogue and use the menu system to choose dialogue and investigation options.