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AI: The Somnium Files

AI: The Somnium Files

|Japan|Adventure, Puzzle

8.8 /10

Aww Great!

Hot

9.5k ratings
Time to beat
Main
18.5h
Main + extras
21.7h
Complete
25h
Rating sources
Steam · Player score9.2/109.4k ratingsIGDB · Critic score8.6/102 ratingsIGDB · Player score8.4/10118 ratings
Trailers & screenshots
Why play it

AI: The Somnium Files is a 2019 Adventure, Puzzle, Visual Novel game rated 8.8/10 from 9.5k ratings, with a main story of about 18.5h, available on Nintendo Switch, PC (Microsoft Windows), PlayStation 4, Xbox One, Xbox Series X|S.

Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.

Game highlights
Rating momentum

Aww Great!: 8.8/10 across 9.5k ratings. Word of mouth is strong — if you like the genre, go for it.

Play style

Leans into Adventure, Puzzle, Visual Novel, with a main story around 18.5h. Check if that style and time commitment fit you.

Reviews

20 media reviews

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Media

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GameSpotHeidi Kemps · 13 Sep, 2019
8/10

The various twists and turns of AI's wild sci-fi, dream-exploring detective tale will keep you engaged and intrigued until the very end.

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EurogamerMalindy Hetfeld · 17 Sep, 2019
8/10

Equal parts tense and unpredictable, this serves the kind of memorable experience that makes exploring branching storylines a joy.

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Push SquareRobert Ramsey · 16 Sep, 2019
7/10

AI: The Somnium Files tells an often engrossing tale. It takes a couple of hours to really get going, but when it does, it blossoms into one of the most impressively executed visual novels on PS4. A range of characters, both surprisingly deep and brilliantly stupid, elevate an already intriguing and smartly paced story. It's just a shame that the dream sequences, with their frustratingly obscure puzzle solving, can really put a dampener on the experience.

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Nintendo LifePJ O'Reilly · 12 Sep, 2019
8/10

AI: The Somnium Files starts out slow but once you've traversed a few of its delightfully surreal Somnium dreamscapes and got to an ending or two, working your way back through your flowchart and striking out in different directions, it becomes an engaging and tense affair. Fans of the Zero Escape games will feel right at home here, and director Kotaro Uchikoshi's talent for putting the player into increasingly unsettling circumstances ensures everything takes flight in a very satisfying way as you work your way through the many strands of the loopy central mystery towards its various different endings.

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RPG SiteCullen Black · 18 Sep, 2019
9/10

AI: The Somnium Files is a sureal new murder mystery game by Kotaro Uchikoshi, and might just be his finest work yet.

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WccftechKai Powell · 12 Sep, 2019
8/10

Once again, Uchikoshi has come out of nowhere with an utterly crazy murder-mystery that explores the link between witnessing horrific trauma and how it affects how victims dream.The links above are affiliate links. As an Amazon Associate, Wccftech.com may earn from qualifying purchases.

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Hardcore GamerKirstin Swalley · 24 Sep, 2019
9/10

It's hard to go into what makes AI: Somnium Files so extraordinarily great without spoiling key elements, but it's truly a title that grips quickly and doesn't let go.

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Game RantMichael Beckwith · 25 Sep, 2019
9/10

AI: The Somnium Files is the perfect successor to the Zero Escape series and a must-buy for any fan of director Kotaro Uchikoshi.

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Netto’s Game RoomBenjamin Bell · 4 Jan, 2026
8/10

AI: The Somnium Files is a fantastic mystery adventure game that explores just how far someone is willing to go to protect the ones they love. It features a memorable cast of characters, a unique dream-like investigation system, and countless plot twists that no one would see coming. Despite its dark subject matter, there are still plenty of laughs to be had, and those who reach the conclusion will find themselves wishing the story would never end.

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NookGamingRob MacIntosh · 26 Jun, 2025
9/10

AI: The Somnium Files became one of my favorite adventure games through its combination of inventive concepts, great use of sound and music, a thrilling mystery, and a strong emotional core that made me care about the characters the story was happening around. It’s delightfully weird, often to its benefit and occasionally to its significant detriment, but it’s unabashed in what it is. It has its rough edges in places, but it was made with a lot of love in spite of its limitations. It’s compelling and hilarious, but most of all it’s immensely rewarding to play through.

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