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.
Unknown Signal: Invasion
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Unknown Signal: Invasion has 1 concurrent player online and in-game. This is 67% lower than its previous all-time peak of 3 players achieved on 4/5/2024.
Review History Chart
Track historical review trends and overall ratings for Unknown Signal: Invasion. It has received a total of 15 reviews on the Steam store and achieved a Player Score of 56 (Mixed).
Price History Chart
Track historical price changes and trends for Unknown Signal: Invasion. Right now, it costs $39.99 in the Steam Store.
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for Unknown Signal: Invasion and its growth over time. It currently has 96 followers on its community page.
About Unknown Signal: Invasion
Unknown Signal: Invasion is an Adventure, Action, Indie, and Casual game developed by Daniel Li. On 4/3/2024, it was released on the Steam Store by Daniel Li.
Players have rated Unknown Signal: Invasion as "Mixed" out of 15 total reviews on the Steam Store. These are split between 9 positive reviews and 6 negative reviews — an overall 60% positive review rating.
It is available for gamers to download and play for $39.99.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Unknown Signal: Invasion supports the following features:
- Single-player
- Family Sharing
From the Steam community, Unknown Signal: Invasion has been tagged with the following user tags:
- Futuristic
- Atmospheric
- 3D
- Shooter
- First-Person
- Linear
- Action-Adventure
- FPS
- PvE
- Indie
- Casual
- Action
- Adventure
- Singleplayer
- Space
- Exploration
Media & Sceenshots
Watch the featured video for Unknown Signal: Invasion and see the latest screenshots from the Steam Store.
Related Packages
Unknown Signal: Invasion is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Unknown Signal: Invasion | $23.99 | View |
Supported Languages
Unknown Signal: Invasion is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Russian | Yes | Yes | Yes |
Frequently Asked Questions
Soures & References
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Unknown Signal: Invasion data has been sourced from:
- Valve Corporation. (2025, November 3). Unknown Signal: Invasion on Steam. Steam Store. https://store.steampowered.com/app/2871590
- Valve Corporation. (2025, November 3). Unknown Signal: Invasion. Steam Community Hub. https://steamcommunity.com/app/2871590