Tōdō Ryūnosuke Tantei Nikki: Ruri-iro no Suiren: Gosairyū Densetsu Renzoku Satsujin Jiken

In Taisho 15 (1927), Ryūnosuke Tōdō and a friend visit a small island called Ryugashima to investigate a strange letter sent to a wealthy man. The letter's contents seem reminiscent of a local mystery but, as they investigate, a series of murders occur that parallel the events of that mystery. The two of them will have to uncover the mystery behind the murders by plumbing the depths of the island's strange history.

This Japanese-style adventure game is menu-driven and features a strong focus on recreating the specific time period in which it's set. Unlike the previous two 1920 mystery games, which had been released for home computers in the '80s and '90s, this game is a brand-new entry developed specifically for mobile phones.