Insomnis
Insomnis is a first-person horror game focused on story, exploration and solving puzzles to advance through a terrifying atmosphere. Players take control of Joe Castevet, who will have to deal with a mysterious inheritance he has just received. Discover all the secrets of the Castevet mansion!
Offers
What are keyshops?Official stores
Official stores with direct support.
Multipacks (1)
DLCs (2)
About Insomnis
The old Castevet manor has just been uninhabited, many mysteries await you in the creepy walls of this old residence. Unravel the secrets of Insomnis and fight against your own destiny in a story full of intrigue and horror!
- Atmospheric Horror: Insomnis generates scares and tense moments with the help of the environment and sounds.
In the Castevet mansion, rooms will change and your worst nightmares will come to life. - Analogue and digital puzzles: Combining different original mechanics, solve a variety of complex puzzles to advance in search of answers.
- Exploration focused story: Immerse yourself in a morally ambiguous narrative, where nothing is as it seems. Dark secrets await you in your grandfather's abandoned manor.
- Multiple endings: Make decisions with caution, your final choices will decide the fate of the characters.
Joe Castevet is the grandson of a famous English scientist named Roman Castevet.
When Roman dies, he bequeaths the manor where he lived to his grandson.
Once there Joe will begin to investigate each room in search of answers. As the hours pass, the old house becomes a darker place and he will discover that he is not alone in his grandfather's beloved home.
Countless of secrets and mysteries await him in the haunted Castevet mansion!
Game development studio based in Barcelona focused on horror games.
Game details
Game details
Age ratings
Game modes
Languages
Audio & text: English
Text only: Spanish - Spain, French, Italian, German, Simplified Chinese, Korean, Dutch, Japanese, Portuguese - Portugal, Russian, Turkish, Ukrainian, Polish
Insomnis price history
Lowest tracked price: PLN 22.04 (Jul 7, 2026) · current best: PLN 62.99.
Insomnis player count & reviews
91% positive reviews all-time · 1 peak players in the last 30 days.
Insomnis — frequently asked questions
Where can I buy Insomnis at the cheapest price?
Right now the cheapest offer for Insomnis is PLN 62.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Insomnis has ever been?
The lowest price KingsPrice has tracked for Insomnis is PLN 22.04 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play Insomnis?
Insomnis peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 8, 2026). The player chart on this page updates daily.
How can I get Insomnis at a discount?
Create a free price alert on this page and KingsPrice will email you when Insomnis drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7 or later
- Processor: Intel Core i3-2100 or equivalent / AMD® FX-6300 or equivalent
- Memory: 4 GB RAM
- Graphics: NVIDIA® GeForce GTX 750 Ti / ATI Radeon HD 7950
- DirectX: Version 9.0c
- Storage: 4 GB available space
- Sound Card: DirectX 9 sound device
- Additional Notes: Controller support: Microsoft Xbox ® Controller for Windows®
Recommended
- Requires a 64-bit processor and operating system
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