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
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.

Unknown Signal: Invasion Review
Unknown Signal: Invasion has achieved a Steambase Player Score of 60 / 100. This score is calculated from 15 total reviews on the Steam store — giving it a Mixed rating. These are split between 9 positive reviews, 6 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Unknown Signal: Invasion using the chart below.
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.
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
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
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
