Sinclair and Demian, inseparable friends and understanding souls. On the day Sinclair dreamed of receiving Demian's notebook, ominous dark clouds enveloped the sky, and people became impulsive and violent, their eyes red with madness. In an instant, the world descended into utter chaos. Sinclair opened the eerie notebook Demian had given him. A glowing blue bird leaped out from within, flapping its wings and heading towards Demian's home. Following the blue bird, the light signpost Demian had given him, Sinclair embarks on a perilous journey, armed only with his notebook.



"Sinclair's Notebook" is a point-and-click mystery thriller visual novel game that reinterprets Hermann Hesse's coming-of-age novel "Demian." Between the two worlds divided into good and evil, one day, the evil world, filled with blood, darkness, and immorality, emerges with dark clouds, encroaching even on the world of good. In this situation, Demian, the man who understood you, has disappeared. Your goal is to find him, carrying a beacon of light, and resolve this situation.

The novel is set in the 1910s, and the lyrical sensibility of the literature of the time and the delicate emotional depiction of the search for the inner self are reflected in the choice-based story, making it a rich experience for both readers and non-readers alike. Choose Sinclair's lines and actions to approach the truth.



Your ordinary life is no longer yours. Explore the map for clues that lead you to Demian and record them in your notebook. Once you have all the clues and evidence, combine them to answer the given question. With the world paralyzed, student Sinclair's role isn't simply to identify the culprit and bring the law to justice. He must rescue those driven mad, resolve conflicts with those tied to them, and delve into incomprehensible situations. Furthermore, the game features puzzles that are accessible even to mystery game beginners.



Discover a variety of previously unexplored characters from the original story, each with a new, deeper narrative and story. Furthermore, there are captivating original characters that appear only in "Sinclair's Notebook."

▶ [Sinclair], a growing boy endlessly exploring himself and the world. 🌱

▶ [Demian], a mysterious friend who sees through everything in the world. ✒️
▶ [Eden], a mysterious bird made of blue light. 🪶

▶ [Madame Eva], a prophetess capable of magic and Damian's mother. 🔮

▶ [Father Martin], who knows the important past of the outskirts church. ✝️

In addition, various characters will join Sinclair on his journey in each chapter.



- Those interested in classical literature.
- Those who enjoy story games, visual novels, and mystery games.
- Those who crave a stimulating yet profound dark fantasy.
- Those who enjoy mystery adventures.
- Those who enjoy dark and lyrical stories that ultimately find light.
- Those who want a game with a clear beginning, development, climax, and conclusion.
- Those who appreciate a classic atmosphere.
- Those who enjoy escape room games.