Unknown Signal
Unknown Signal is a 3D adventure game. You have received a mysterious signal and you have to find out what or who sent it.
Offers
What are keyshops?Official stores
Official stores with direct support.
About Unknown Signal
Features
- Nice soundtrack
- Colorful graphics.
- Dangerous opponents
Game details
Game details
Age ratings
Game modes
Features
Unknown Signal price history
Lowest tracked price: CA$10.39 (Jul 7, 2026) · current best: CA$51.99.
Unknown Signal reviews
43% positive reviews all-time.
Unknown Signal — frequently asked questions
Where can I buy Unknown Signal at the cheapest price?
Right now the cheapest offer for Unknown Signal is CA$51.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Unknown Signal has ever been?
The lowest price KingsPrice has tracked for Unknown Signal is CA$10.39 (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 can I get Unknown Signal at a discount?
Create a free price alert on this page and KingsPrice will email you when Unknown Signal 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
- OS: Windows 10/11
- Processor: Intel Core 2 Duo E6320 (2*1866) or equivalent
- Memory: 1 GB RAM
- Graphics: GeForce 7600 GS (512 MB) or equivalent
- Storage: 2 GB available space
