Unknown Signal: Invasion
Offers
Trailers & screenshots
1 / 8



About Unknown Signal: Invasion
Unknown Signal: Invasion is a sci-fi game in which you travel to an unknown planet to investigate a mysterious signal from an unknown source. You fight dangerous creatures and face difficult situations as you uncover what lies behind the signal.
Frequently asked questions
The best price for Unknown Signal: Invasion is $39.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Unknown Signal: Invasion are: Windows 10, GeForce 7600 GS, Intel Core 2 Duo E6320, 1 GB RAM, 2 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Unknown Signal: Invasion is a single-player game.
Yes. Unknown Signal: Invasion is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











