AI: The Somnium Files
You are Kaname Date, a Tokyo detective hunting a serial killer who takes left eyes.
91% of 8,947 Steam reviews are positivePlayers online now: 36$3.99
Detective games like アルタイル号の殺人
If アルタイル号の殺人 left you wanting something mysterious and story-driven, you have options. These detective games could fill that gap nicely.
星影の館殺人事件
1935年の洋館を舞台に織り成す、レトロな雰囲気の怪異ホラーミステリーアドベンチャー
Also in Visual novel · Mysterious, Story-driven, Atmospheric
95% of 145 Steam reviews are positivePlayers online now: 2FreeStellar Code
Mysterious phenomena from space. A researcher's fatal accident. Cryptic codes engraved on an unknown material. Together with your brilliant sister-in-law, you must unravel a mystery that could determine the fate of Earth. A sci-fi mystery visual novel of discovery and suspense.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
96% of 462 Steam reviews are positive$24.98AI: The Somnium Files
You are Kaname Date, a Tokyo detective hunting a serial killer who takes left eyes. You work crime scenes by day and break into suspects' dreams by night, and every route changes what you think you know. Funny, dark and full of turns, it is built for armchair detectives who like to be wrong twice before breakfast.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
91% of 8,947 Steam reviews are positivePlayers online now: 36$3.99Return to Shironagasu Island
Detective Sen Ikeda and his assistant Neneko Izumozaki are lured to solitary Shironagasu Island by a millionaire's will. You explore, question its enigmatic residents, and work through a chain of murders to find the island's secret and get out alive.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
93% of 4,177 Steam reviews are positivePlayers online now: 11$4.99超探偵シャーロックちゃん ～掟破りのミスディレクション～
The famous detective Sarako Imai (Sherlock-chan) takes on a difficult case! Sherlock-chan and Watson-kun are on a comfort trip. Can they solve a murder case at a winter spa resort? A murder mystery with a challenge to the player.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
74% of 39 Steam reviews are positive$9.99Kanna Maze
In an isolated lab beneath the earth, a childhood friend is resurrected. Amidst sealed walls, a spree of killings unfolds. In a godless abyss, parallel worlds entwine like a maze. Where does one find the path to the sole universe of bliss?
Also in Visual novel · Mysterious, Story-driven, Atmospheric
88% of 372 Steam reviews are positive$3.99ゴシックマーダー -運命を変えるアドベンチャー-
命を狙われる当主を守るため、メイドの少女が恐るべき殺人計画に挑む！20世紀初頭英国の伯爵家を舞台にした恋愛ミステリーゲーム。予知夢を元に殺人計画の謎を推理して、当主の命を守る――待ち受けるのは死か密やかな恋か？ 選択によっていくつものエンディングに分岐します。
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
79% of 34 Steam reviews are positive$11.99ステータス確認探偵
Check the suspect's status and solve the mystery! A status-checking mystery ADV in which a rookie detective takes on difficult cases that take place in a fantasy world.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
96% of 128 Steam reviews are positiveFreeG-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.2「海楼館殺人事件」
The "Kailoukan", a strange building surrounded by the sea on all sides. Inside a mansion closed underwater, the curtain rises on a tragedy.
Mysterious, Story-driven, Atmospheric
100% of 8 Steam reviews are positive$4.99The Centennial Case : A Shijima Story
Watch four murders unfold on film across 1922, 1972, and 2022, then solve them yourself as mystery novelist Haruka Kagami. You gather clues from the footage, build hypotheses, and name the killer to untangle a century of Shijima family deaths around the red camellia and the Fruit of Youth.
Mysterious, Story-driven, Atmospheric
79% of 1,047 Steam reviews are positivePlayers online now: 3$49.99Iseshima mystery annai: Itsuwari no Kuro shinnjyu
舞台は東京から伊勢志摩へ…… ファミコン風アドベンチャーゲームの完全新作！
Also in Visual novel · Mysterious, Story-driven, Atmospheric
84% of 43 Steam reviews are positive$9.99The Kuon Island Nursery Rhyme Murders: Case Notes
A storm-lashed island, a nursery rhyme that foretells death, seven prodigies, serial murders, modern locked-room mysteries, classic locked-room mysteries, astrology, a jigsaw of flesh and blood, a survivor—and one lie told only so you would see this story.
Also in Visual novel · Mysterious, Story-driven, Hand-drawn
58% of 89 Steam reviews are positive$7.99
Cheaper than アルタイル号の殺人
Return to Shironagasu Island
Detective Sen Ikeda and his assistant Neneko Izumozaki are lured to solitary Shironagasu Island by a millionaire's will.
93% of 4,177 Steam reviews are positivePlayers online now: 11$4.99
超探偵シャーロックちゃん ～掟破りのミスディレクション～
The famous detective Sarako Imai (Sherlock-chan) takes on a difficult case! Sherlock-chan and Watson-kun are on a comfort trip.
74% of 39 Steam reviews are positive$9.99
Kanna Maze
In an isolated lab beneath the earth, a childhood friend is resurrected. Amidst sealed walls, a spree of killings unfolds.
88% of 372 Steam reviews are positive$3.99
G-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.2「海楼館殺人事件」
The "Kailoukan", a strange building surrounded by the sea on all sides. Inside a mansion closed underwater, the curtain rises on a tragedy.
100% of 8 Steam reviews are positive$4.99
Iseshima mystery annai: Itsuwari no Kuro shinnjyu
舞台は東京から伊勢志摩へ…… ファミコン風アドベンチャーゲームの完全新作！
84% of 43 Steam reviews are positive$9.99
The Kuon Island Nursery Rhyme Murders: Case Notes
A storm-lashed island, a nursery rhyme that foretells death, seven prodigies, serial murders, modern locked-room mysteries, classic locked-room…
58% of 89 Steam reviews are positive$7.99
It was a human.
A short SF psychedelic interrogation ADV game that focuses on the interrogation of a suspect in a dismemberment murder case.
74% of 464 Steam reviews are positive$4.99
G-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.1「仮面幻想殺人事件」
Online RPG that dies when played. Uncover the secret behind the game and its truth.
94% of 16 Steam reviews are positive$4.99
The Death Game Report
You are the clerk after the killing is over. From an aging terminal you reopen each victim's last record, match it against the student roster and…
96% of 2,477 Steam reviews are positivePlayers online now: 82$3.99
AI: THE SOMNIUM FILES - nirvanA Initiative
Six years ago, only the right half of a body turned up. Now the left half appears, fresh as yesterday.
85% of 3,618 Steam reviews are positivePlayers online now: 16$5.99
孤岛海妖 The Sea-demon
一组侦探小队受章鱼岛主人之邀，对六年前的海妖悬案发起挑战。她们需要在二十四小时内完成调查，并各自提交一份答案。最后，出现了七种截然不同的解答……
85% of 206 Steam reviews are positivePlayers online now: 1$8.99
Hidden gems like アルタイル号の殺人
Demons' Timeline
Cyber Detective L never leaves his room. You solve supernatural murders called Paradoxes entirely through Parrotter, a fake social feed, with help…
97% of 1,407 Steam reviews are positivePlayers online now: 6$10.99
The Death Game Report
You are the clerk after the killing is over. From an aging terminal you reopen each victim's last record, match it against the student roster and…
96% of 2,477 Steam reviews are positivePlayers online now: 82$3.99
ギルド探求団へようこそ！
A fantasy guild has lost 1,000 days of party records, and you are the one sorting it out.
97% of 1,839 Steam reviews are positivePlayers online now: 15$3.99
Stellar Code
Mysterious phenomena from space. A researcher's fatal accident. Cryptic codes engraved on an unknown material.
96% of 462 Steam reviews are positive$24.98
Misty Judgment
You are Qi Yi, a mystery writer who cannot remember his own name, caught in a loop of murders across a campus, a mental hospital, a villa, and an…
92% of 1,167 Steam reviews are positive$8.99
ステータス確認探偵
Check the suspect's status and solve the mystery! A status-checking mystery ADV in which a rookie detective takes on difficult cases that take place…
96% of 128 Steam reviews are positiveFree
Lavender Quartz 境界秤動
希望を求めた二つの運命がゼロ地点で交差する、分岐なしのビジュアルノベル。故郷の村を戦争で奪われたイコヌは、戒厳令下の州都ミラナルクで諜報員キルシウムと出会った。墜落した人工衛星から戦局を塗り替える超常物質「原石」を持ち去った不可視の少年を追い、二人は都市を疾走する。
94% of 305 Steam reviews are positive$11.99
The Real Face of a VTuber
A narrative courtroom adventure all about VTubers! Players will take the role of prosecutor Justin Truth and investigate a murder at a VTuber…
90% of 288 Steam reviews are positivePlayers online now: 3$10.19
Lightracer: For Judge
In a dystopian future, as The Judge with immense power, you journey through space to find hope in a divided society.
91% of 468 Steam reviews are positive$9.99
AKIBA LOST
Thirteen years ago six girls vanished in Akihabara, and now a game about that cold case is bleeding into reality.
84% of 317 Steam reviews are positivePlayers online now: 6$24.99
星影の館殺人事件
1935年の洋館を舞台に織り成す、レトロな雰囲気の怪異ホラーミステリーアドベンチャー
95% of 145 Steam reviews are positivePlayers online now: 2Free
Kanna Maze
In an isolated lab beneath the earth, a childhood friend is resurrected. Amidst sealed walls, a spree of killings unfolds.
88% of 372 Steam reviews are positive$3.99
Newest detective games like アルタイル号の殺人
Red Chat Ritual – TSUMIMI TIME
“Intervene in Tsumimi’s stream” through comments and Mega Chats, then use your deductions to change their fate in this 15-day psychological horror…
64% of 437 Steam reviews are positivePlayers online now: 6$17.99
AKIBA LOST
Thirteen years ago six girls vanished in Akihabara, and now a game about that cold case is bleeding into reality.
84% of 317 Steam reviews are positivePlayers online now: 6$24.99
The Death Game Report
You are the clerk after the killing is over. From an aging terminal you reopen each victim's last record, match it against the student roster and…
96% of 2,477 Steam reviews are positivePlayers online now: 82$3.99
Demons' Timeline
Cyber Detective L never leaves his room. You solve supernatural murders called Paradoxes entirely through Parrotter, a fake social feed, with help…
97% of 1,407 Steam reviews are positivePlayers online now: 6$10.99
ギルド探求団へようこそ！
A fantasy guild has lost 1,000 days of party records, and you are the one sorting it out.
97% of 1,839 Steam reviews are positivePlayers online now: 15$3.99
The Real Face of a VTuber
A narrative courtroom adventure all about VTubers! Players will take the role of prosecutor Justin Truth and investigate a murder at a VTuber…
90% of 288 Steam reviews are positivePlayers online now: 3$10.19
The Occult Detective
A narrative detective game blended with supernatural elements.
71% of 276 Steam reviews are positive$13.49
ステータス確認探偵
Check the suspect's status and solve the mystery! A status-checking mystery ADV in which a rookie detective takes on difficult cases that take place…
96% of 128 Steam reviews are positiveFree
Misty Judgment
You are Qi Yi, a mystery writer who cannot remember his own name, caught in a loop of murders across a campus, a mental hospital, a villa, and an…
92% of 1,167 Steam reviews are positive$8.99
Stellar Code
Mysterious phenomena from space. A researcher's fatal accident. Cryptic codes engraved on an unknown material.
96% of 462 Steam reviews are positive$24.98
Lavender Quartz 境界秤動
希望を求めた二つの運命がゼロ地点で交差する、分岐なしのビジュアルノベル。故郷の村を戦争で奪われたイコヌは、戒厳令下の州都ミラナルクで諜報員キルシウムと出会った。墜落した人工衛星から戦局を塗り替える超常物質「原石」を持ち去った不可視の少年を追い、二人は都市を疾走する。
94% of 305 Steam reviews are positive$11.99
No Sleep For Kaname Date - From AI: THE SOMNIUM FILES
Iris has been abducted by aliens?! Finding herself on board a mysterious UFO and tasked with completing a bizarre escape game, Iris knows there's…
79% of 854 Steam reviews are positivePlayers online now: 3$15.99