Unknown Signal: Invasion
Unknown Signal: Invasion is a continuation of the exciting sci-fi game. This time you have to go to an unknown planet to investigate a new mysterious signal coming from an unknown source.
Offers
What are keyshops?Official stores
Official stores with direct support.
About Unknown Signal: Invasion
Peculiarities
- Nice soundtrack
- Colorful graphics.
- Dangerous opponents
Game details
Game details
Age ratings
Game modes
Features
Unknown Signal: Invasion price history
Lowest tracked price: €7.99 (Jul 7, 2026) · current best: €7.99.
Unknown Signal: Invasion reviews
60% positive reviews all-time.
Unknown Signal: Invasion — frequently asked questions
Where can I buy Unknown Signal: Invasion at the cheapest price?
Right now the cheapest offer for Unknown Signal: Invasion is €7.99 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: Invasion has ever been?
The lowest price KingsPrice has tracked for Unknown Signal: Invasion is €7.99 (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: Invasion at a discount?
Create a free price alert on this page and KingsPrice will email you when Unknown Signal: Invasion 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
