Astra Sentinel
Astra Sentinel is a real-time strategy game in which you must defend planetary systems from endless hordes of aliens. Reconquer planets, build on their surface and prepare to counterattack. Will you be able to recover the control of the galaxy?
Last Updated: 12/24/2025
| Release Date | 3/30/2026 (In 75 Days) |
| Developer | Somnambulist Games |
| Publisher | Somnambulist Games |
| Steam App Id | 3171790 |
Astra Sentinel
Astra Sentinel is a real-time strategy game in which you must defend planetary systems from endless hordes of aliens. Reconquer planets, build on their surface and prepare to counterattack. Will you be able to recover the control of the galaxy?
Last Updated: 12/24/2025
- Windows
- Mac
- Linux
About Astra Sentinel
Astra Sentinel is a Strategy game developed by Somnambulist Games. On 3/30/2026, it was released on the Steam Store by Somnambulist Games.
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, Astra Sentinel supports the following features:
- Surround Sound
- Save Anytime
- Stereo Sound
- Subtitle Options
- Steam Achievements
- Single-player
- Family Sharing
- Adjustable Difficulty
- Custom Volume Controls
Media & Sceenshots
Watch the featured video for Astra Sentinel and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
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Astra Sentinel data has been sourced from:
- Valve Corporation. (2025, December 24). Astra Sentinel on Steam. Steam Store.
- Valve Corporation. (2025, December 24). Astra Sentinel. Steam Community Hub.