Return to Shironagasu Island
A detective gets a dead millionaire's invitation to a lonely island, and the murders start.
93% of 4,174 Steam reviews are positivePlayers online now: 6$4.99
Games like Agent Sirius
Miss the mysterious and story-driven pull of Agent Sirius? These games could fill that gap nicely.
Black Closet
Command your minions to solve mysteries and cover up scandals in a high-class boarding school, where the competition is cut-throat and image is everything. But be careful - one of your minions is a traitor.
Also in Detective · Mysterious, Story-driven, Replayable
91% of 248 Steam reviews are positive$19.99Return to Shironagasu Island
A detective gets a dead millionaire's invitation to a lonely island, and the murders start. Read through a full-voiced mystery with Neneko, his assistant, follow the clues, make choices that steer the story toward different endings, and find a way off the island alive.
Also in Detective · Mysterious, Story-driven
93% of 4,174 Steam reviews are positivePlayers online now: 6$4.99Kozue's Strange Journey
Having barely escaped with her life after being attacked by shadowy monsters, Kozue, and the woman who helped save her decide to team up to investigate the creatures and their connection to reports of mysterious disappearances around town.
Mysterious, Story-driven, Replayable
85% of 224 Steam reviews are positive$14.99Mind Rite
Aina is a young investigator in a distant city in the north, but when mysterious magical murders begin to take place in it, it is she and her partner who are entrusted with the case. But what if everything is not what it seems? What if Aina itself become a victim?
Also in Detective · Mysterious, Story-driven, Replayable
88% of 40 Steam reviews are positive$6.99The Chrono Jotter
A yuri visual novel where dying is a tool: rewind time with your clues intact, interrogate seven classmates, and unmask the killer in a school where murder has become routine. A love story wrapped in Lovecraftian dread, with endings worth replaying for.
Also in Detective · Mysterious, Story-driven, Replayable
94% of 1,979 Steam reviews are positive$11.997'scarlet
The remote town of Okunezato is shaped like a crescent moon and shrouded in dark myths and legends. Take on the role of a brave young woman journeying into the unknown to uncover dangerous truths and locate her missing brother with her childhood friend.
Mysterious, Story-driven, Replayable
74% of 802 Steam reviews are positive$29.99The Case Book of Arne
A vampire and a girl... who are they? The two of them have a secret and solve a strange case... In a world where paranormal activity takes place, "Player" solves a case in which a non-human becomes a suspect. Such a "detective adventure" is coming to STEAM.
Also in Detective · Mysterious, Story-driven, Retro
87% of 339 Steam reviews are positive$9.99AI: The Somnium Files
Detective Kaname Date hunts a serial killer through near-future Tokyo, and through other people's dreams. A murder mystery with sharp twists, a talking AI partner and dream puzzles on a six-minute clock. Dark, funny and stranger than it has any right to be.
Also in Detective · Mysterious, Story-driven, Replayable
91% of 8,947 Steam reviews are positivePlayers online now: 29$3.99PARANORMASIGHT: The Seven Mysteries of Honjo
A horror-adventure visual novel set in 1980s Tokyo. The Seven Mysteries of Honjo hide a Rite of Resurrection, and everyone who learns of it gains the power to curse. Investigate real Sumida streets in 360° panoramas, follow several points of view, and choose your moves carefully, because a wrong one can kill you.
Mysterious, Story-driven, Replayable
95% of 6,281 Steam reviews are positivePlayers online now: 28$19.99The Grade 5B Case Files
A narrative AVG focused on everyday mysteries from the lives of elementary school students. The two protagonists encounter ordinary yet unusual incidents at school, and through investigation and deduction, players uncover the truth together with them.
Also in Detective · Mysterious, Story-driven, Retro
90% of 150 Steam reviews are positiveFreeMandemon
Crumbling school buildings in Japan. A string of bizarre incidents. The eerie legend of Mandemon. Lies and truth intertwine. Love and hatred blur in the mist. What will you do? Who can you trust? Welcome to a cruel world of deceit and suffering—
Also in Detective · Mysterious, Story-driven, Replayable
86% of 353 Steam reviews are positivePlayers online now: 1$2.99Dark Nights
Nothing is as it seems.
Mysterious, Story-driven, Replayable
91% of 443 Steam reviews are positivePlayers online now: 1Free
Cheaper than Agent Sirius
Mind Rite
Aina is a young investigator in a distant city in the north, but when mysterious magical murders begin to take place in it, it is she and her…
88% of 40 Steam reviews are positive$6.99
AI: The Somnium Files
Interrogate suspects by day, then step into their dreams on a six-minute clock to crack a serial killer case in Tokyo.
91% of 8,947 Steam reviews are positivePlayers online now: 29$3.99
Kozue's Strange Journey 2
One year after taking down the supernatural threat behind a series of disappearances, Sayuri Shirasagi and her friends team up once more to unravel…
53% of 73 Steam reviews are positive$9.09
Mandemon
Crumbling school buildings in Japan. A string of bizarre incidents. The eerie legend of Mandemon. Lies and truth intertwine.
86% of 353 Steam reviews are positivePlayers online now: 1$2.99
Pixel Town: Akanemachi Mystery
Welcome to the small, quaint town of Akanemachi. Eerie disturbances have been popping up after a recent earthquake, shaking up the residents' lives.
83% of 72 Steam reviews are positive$4.89
The Monsters' History Book
Beyond horrible, odd and black feelings, while there is a sincere relationship.However,The horrors more terrible than all these, become increasingly…
79% of 106 Steam reviews are positive$3.99
誰是犯案者 Who is the Criminal
Set in school life, “Who is the Criminal” is a text-based adventure game featuring comedian and inference elements.
93% of 46 Steam reviews are positive$7.99
Danganronpa: Trigger Happy Havoc
Fifteen elite students are locked inside Hope's Peak Academy, and the only way out is to murder a classmate and get away with it.
96% of 37,338 Steam reviews are positivePlayers online now: 430$1.99
Seven Mysteries: The Last Page
A story-driven psychological horror RPG about a group of friends who unintentionally become bound together after encountering 7 curses from a school.
61% of 38 Steam reviews are positive$4.99
Case 03: True Cannibal Boy
A horror mystery adventure game with ghost story elements. Anxiety plagues college student Lily, whose crush Sally has gone missing.
96% of 47 Steam reviews are positive$5.99
How To Date A Magical Girl!
You're invited to the elite academy for magical girls! Will you take the opportunity to make new friends? Learn magic? Or...
80% of 407 Steam reviews are positive$8.99
Hidden gems like Agent Sirius
Demons' Timeline
Investigate supernatural incidents by reading a fictional social network, unmasking hidden accounts and piecing together the truth.
97% of 1,404 Steam reviews are positivePlayers online now: 2$10.99
Staffer Retro : A Supernatural Mystery Quest
A mystery adventure on an island town where supernatural powers exist.
89% of 1,051 Steam reviews are positivePlayers online now: 14$24.99
Elton Manor: Requiem of the Cursed Roses
At the beginning of the 20th century, you awaken in a quiet manor where everyone calls you “Anna”, a maid.
94% of 137 Steam reviews are positive$9.99
The Grade 5B Case Files
A narrative AVG focused on everyday mysteries from the lives of elementary school students.
90% of 150 Steam reviews are positiveFree
SAS：绝响诡计 | Case 0 风暴蝴蝶
这是一款以中式校园为背景的推理类文字游戏，你将扮演一名高中生司空茂，在开学第一天目击密室杀人事件的现场，并经过调查和推理解决案件，找出真正的犯人和真相背后更深的阴谋。但在享受侦探游戏的同时，请千万不要忽视学习。保持情绪稳定，尽量维持活下去的念头...记住，你的成绩，永远比案件要更重要。
89% of 326 Steam reviews are positivePlayers online now: 3Free
Malleus Cocconum: The Heiress
You are Arenda Finch—fifteen years old, wealthy beyond measure, and newly exiled from your former school.
94% of 163 Steam reviews are positive$21.99
Raining City: Millions Recollections
One night, Lyu Xuan woke up soaked in blood, a mysterious black hole in the palm of her hand, and millions pouring out of that hole, like an…
84% of 259 Steam reviews are positivePlayers online now: 1$11.99
SHUTEN ORDER
Hunt your own killer across five suspects and five very different routes before time runs out.
79% of 759 Steam reviews are positivePlayers online now: 11$24.99
Urban Myth Dissolution Center
Investigate cursed relics and impossible anomalies as a rookie psychic detective, one strange urban myth at a time.
87% of 6,118 Steam reviews are positivePlayers online now: 49$12.59
Mandemon
Crumbling school buildings in Japan. A string of bizarre incidents. The eerie legend of Mandemon. Lies and truth intertwine.
86% of 353 Steam reviews are positivePlayers online now: 1$2.99
Staffer Case: A Supernatural Mystery Adventure
Read case files, piece the clues together and expose the lie hiding in every murder.
93% of 4,159 Steam reviews are positivePlayers online now: 36$16.99
Newest games like Agent Sirius
Trick × Trick
Supernatural × Mystery × Death Game Twelve high school students awaken trapped in a mysterious building.
80% of 64 Steam reviews are positive$12.99
The Grade 5B Case Files
A narrative AVG focused on everyday mysteries from the lives of elementary school students.
90% of 150 Steam reviews are positiveFree
Staffer Retro : A Supernatural Mystery Quest
A mystery adventure on an island town where supernatural powers exist.
89% of 1,051 Steam reviews are positivePlayers online now: 14$24.99
Demons' Timeline
Investigate supernatural incidents by reading a fictional social network, unmasking hidden accounts and piecing together the truth.
97% of 1,404 Steam reviews are positivePlayers online now: 2$10.99
Elton Manor: Requiem of the Cursed Roses
At the beginning of the 20th century, you awaken in a quiet manor where everyone calls you “Anna”, a maid.
94% of 137 Steam reviews are positive$9.99
Gensokyo：Presumption of Guilt~Pansies Before Dawn
Explore the intertwined fates of humans and youkai in this interactive fiction.
92% of 254 Steam reviews are positivePlayers online now: 1$14.99
SAS：绝响诡计 | Case 0 风暴蝴蝶
这是一款以中式校园为背景的推理类文字游戏，你将扮演一名高中生司空茂，在开学第一天目击密室杀人事件的现场，并经过调查和推理解决案件，找出真正的犯人和真相背后更深的阴谋。但在享受侦探游戏的同时，请千万不要忽视学习。保持情绪稳定，尽量维持活下去的念头...记住，你的成绩，永远比案件要更重要。
89% of 326 Steam reviews are positivePlayers online now: 3Free
SHUTEN ORDER
Hunt your own killer across five suspects and five very different routes before time runs out.
79% of 759 Steam reviews are positivePlayers online now: 11$24.99
Raining City: Millions Recollections
One night, Lyu Xuan woke up soaked in blood, a mysterious black hole in the palm of her hand, and millions pouring out of that hole, like an…
84% of 259 Steam reviews are positivePlayers online now: 1$11.99
Magical Girl Witch Trials
Thirteen girls wake in an island prison, accused of being witches. One of them is.
96% of 30,907 Steam reviews are positivePlayers online now: 204$29.99
Uberich: Advent Sinners
The world and reality of Joe collapse as a sequence of paranormal events starts in September.
74% of 152 Steam reviews are positive$14.99
Urban Myth Dissolution Center
Investigate cursed relics and impossible anomalies as a rookie psychic detective, one strange urban myth at a time.
87% of 6,118 Steam reviews are positivePlayers online now: 49$12.59