AI: The Somnium Files
Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.
- Price:$19.99
- Release Date:9/18/2019
- Developer:Spike Chunsoft Co., Ltd.
- Publisher:Spike Chunsoft Co., Ltd.
- Last Updated:10/27/2025
- Steam App Id:948740
AI: The Somnium Files
- Windows
- Mac
- Linux
- Steam Deck (Playable)
Steam Charts, Stats, and Live Player Count
At the moment, AI: The Somnium Files has 75 concurrent players online and in-game. This is 65% lower than its previous all-time peak of 212 players achieved on 7/27/2025.
Review History Chart
Track historical review trends and overall ratings for AI: The Somnium Files. It has received a total of 8,803 reviews on the Steam store and achieved a Player Score of 89 (Very Positive).
Price History Chart
Track historical price changes and trends for AI: The Somnium Files. Right now, it costs $19.99 in the Steam Store.
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for AI: The Somnium Files and its growth over time. It currently has 26,790 followers on its community page.
About AI: The Somnium Files
AI: The Somnium Files is an Adventure game developed by Spike Chunsoft Co., Ltd. On 9/18/2019, it was released on the Steam Store by Spike Chunsoft Co., Ltd.
Players have rated AI: The Somnium Files as "Very Positive" out of 8,803 total reviews on the Steam Store. These are split between 8,060 positive reviews and 743 negative reviews — an overall 92% positive review rating.
It is available for gamers to download and play for $19.99. It can also be purchased through AI: THE SOMNIUM FILES Bundle, AI: THE SOMNIUM FILES TRIPLE PACK, and Team Zero Escape Bundle which give a discount off its base price.
It can be played and ran on Windows systems. At the moment, it is possible to play AI: The Somnium Files on the Steam Deck but some functionaliy may not be fully supported.
According to Steam’s category system, AI: The Somnium Files supports the following features:
- Single-player
- Steam Cloud
- Family Sharing
- Partial Controller Support
- Remote Play on Phone
- Steam Achievements
- Remote Play on Tablet
- Steam Trading Cards
From the Steam community, AI: The Somnium Files has been tagged with the following user tags:
- Great Soundtrack
- Escape Room
- Violent
- Multiple Endings
- Story Rich
- Visual Novel
- LGBTQ+
- Puzzle
- Choices Matter
- Comedy
- Psychological Horror
- Gore
- Mystery
- Horror
- Sexual Content
- Detective
- Sci-fi
- Point & Click
- Anime
- Adventure
- Singleplayer
Media & Sceenshots
Watch the featured video for AI: The Somnium Files and see the latest screenshots from the Steam Store.
Related Bundles
AI: The Somnium Files is included in 3 bundles in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | AI: THE SOMNIUM FILES Bundle | 2 | 2 | $53.98 | View |
 | AI: THE SOMNIUM FILES TRIPLE PACK | 3 | 3 | $89.97 | View |
 | Team Zero Escape Bundle | 4 | 4 | $98.96 | View |
Related Packages
AI: The Somnium Files is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| AI: The Somnium Files | $7.99 | View |
Supported Languages
AI: The Somnium Files is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Chinese (Traditional) | Yes | No | Yes |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
AI: The Somnium Files data has been sourced from:
- Valve Corporation. (2025, October 27). AI: The Somnium Files on Steam. Steam Store. https://store.steampowered.com/app/948740
- Valve Corporation. (2025, October 27). AI: The Somnium Files. Steam Community Hub. https://steamcommunity.com/app/948740