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.
- Price:$39.99
- Release Date:4/3/2024
- Developer:Daniel Li
- Publisher:Daniel Li
- Last Updated:11/3/2025
- Steam App Id:2871590
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).
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.
Unknown Signal: Invasion Price
Unknown Signal: Invasion costs $39.99 in the Steam store as of 11/3/2025. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Unknown Signal: Invasion.
About Unknown Signal: Invasion
Unknown Signal: Invasion is an Action, Adventure, 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 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:
- Family Sharing
- Single-player
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