"クトゥルフ神話異聞録シリーズ１" is an iPhone game developed by Hiroki Bouchi. This free game falls under the category of Games. The game invites players to dive into a world of hidden history and mysterious events. As a player, you have the freedom to choose whether to passively observe or actively engage with the story. The game presents a multitude of choices and allows you to experience different outcomes.

With "クトゥルフ神話異聞録シリーズ１," you become a witness to the events unfolding in this alternate history and become an active participant in the narrative. The game is designed to provide an immersive experience where you can uncover the secrets and unravel the mysteries of the past. The power to shape the course of history is in your hands.

Choose your path and unravel the history that awaits you in "クトゥルフ神話異聞録シリーズ１."