The intriguing mystery surrounding the past of Mnemosyne Asylum, including the unsolved details of a devastating fire that occurred four years ago and the refusal of patients to speak about the incident.

The way the detectives uncover darker secrets about the asylum's history and the staff's attempts to obscure the truth, creating a sense of unease and suspicion.

The psychological depth of the story, which delves into themes of hallucination, manipulation, and the blurred lines between sanity and madness.

The unique 'Detective Mode' feature that allows players to investigate crime scenes by carefully placing clues in the correct sequence to recreate events, adding an interactive element to the traditional hidden object gameplay.

The option to switch between hidden object scenes and Mahjong mini-games, providing a refreshing change of pace and allowing players to approach puzzles in different ways.

The presence of collectibles, such as Asylum Model Fragments and Hidden Clues, that encourage thorough exploration and reward attentive players.

The detailed and atmospheric painted-style visuals that effectively capture the eerie, unsettling nature of the asylum setting.

The use of a layered, tension-building musical score that enhances the overall mood and sense of unease.

The competent voice acting that, while not exceptional, still manages to bring the characters to life and avoid detracting from the overall experience.