AI: The Somnium Files — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 91%)
- The price is well above its low (was €3.99) — worth waiting for a drop or setting an alert. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
AI: The Somnium Files is a sci-fi murder mystery in which you play detective Kaname Date hunting an elusive serial killer. The investigation mixes classic crime-scene work with diving into suspects' dreams to unlock clues.
Did you know?
The game was directed by Kotaro Uchikoshi, the writer known for the Zero Escape series, and developed by Spike Chunsoft.
Best price today
€19.99
all-time low: official €3.99 (+401%)
The cheapest AI: The Somnium Files key right now costs €19.99 at Steam. The lowest price we have recorded for this game: €3.99.
The average low over the past 5 months was €13.59.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
AI: The Somnium Files prices by store 2
| Store | Type | Price |
|---|---|---|
| Driffle | Marketplace | €7.95 |
| Steam | Official store | €19.99 |
Lowest — official stores
€3.99
Sept 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.99 | — |
| Sept 2026 | €3.99 | — |
| Aug 2026 | €19.99 | — |
| Jul 2026 | €19.99 | — |
| Jun 2026 | €19.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
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All-time low so far: €3.99
System requirements
| Minimum | |
|---|---|
| OS | 64-bit Windows 7 |
| Processor | Intel Core i7-3770 @ 3.40 GHz or better |
| Memory | 4 GB RAM |
| Graphics | NVIDIA@ GeForce@ GTX 460 or better |
| DirectX | Version 11 |
| Storage | 20 GB available space |
Similar games
Video reviews
6:37 Cohh's Thoughts On AI: The Somnium Files
CohhCarnage
4:47 AI: The Somnium Files - Review
Nintendo World Report TV
6:56 Ai: The Somnium Files - Nirvana Initiative Review - Noisy Pixel
Noisy Pixel
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can AI: The Somnium Files be played single-player?
Yes, AI: The Somnium Files is a single-player game.
What languages does AI: The Somnium Files support?
AI: The Somnium Files is available in: English, Japanese, Traditional Chinese.
Does AI: The Somnium Files use Steam Cloud saves?
Yes, AI: The Somnium Files uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a AI: The Somnium Files key?
The cheapest AI: The Somnium Files key is currently sold by Steam for €19.99. The lowest price we have ever recorded for this game: €3.99.
How much does AI: The Somnium Files cost?
AI: The Somnium Files currently costs from €19.99 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.