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About AI: The Somnium Files
Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.
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AI: The Somnium Files is a mystery adventure and visual novel set in a near-future Tokyo. Players take on the role of Kaname Date, a detective with a secret police unit who investigates crimes using an experimental technology that lets him dive into the dreams of witnesses and suspects. Aided by an artificial intelligence named Aiba housed in his prosthetic eye, Date is drawn into a chilling serial-killer case that begins with a gruesome murder. As he alternates between examining crime scenes and exploring surreal dream worlds for hidden clues, the branching investigation gradually pulls him toward buried secrets connected to his own lost past.
Game modes: Single player
Right now the lowest price for AI: The Somnium Files we're tracking is $19.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for AI: The Somnium Files is $3.99 at Steam on September 4, 2026. The current best price is about 401% above that low.
92% of 8,364 Steam user reviews for AI: The Somnium Files are positive ("Very Positive"). The Steam community summary on this page sums up what those players say.
AI: The Somnium Files released on September 17, 2019, developed by Spike Chunsoft and published by Spike Chunsoft, Numskull Games.
AI: The Somnium Files is available on Xbox Series X|S, PlayStation 4, PC (Microsoft Windows), Xbox One, Nintendo Switch. It supports single player.
AI: The Somnium Files last hit a new low of $3.99 on September 4, 2026 at Steam. Current best price is $19.99. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest AI: The Somnium Files price right now is $19.99 at Steam.
| Store | Price | Buy link |
|---|---|---|
 SteamBest price | $19.99 | Buy AI: The Somnium Files at Steam |
All-time low: $3.99 at Steam on Sep 4, 2026 — the current best price is 401% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
