About Astra Sentinel
Astra Sentinel is a single player survival city builder game with economy and science fiction themes. It is being developed by Somnambulist Games and will be released in 2026.
Astra Sentinel is a wave-based survival RTS where endless alien hordes relentlessly assault your planets. Build defenses, colonize planets and manage resources under constant pressure. Will you be able to recover the control of the galaxy?
Games Like Astra Sentinel
Looking for games like Astra Sentinel? Here are top survival city builder recommendations with a economy and science fiction focus, selected from player-similarity data — start with Escape the End, Lost Galaxy: Echoes of War or Waves of Chaos.
Frequently Asked Questions
Astra Sentinel is a survival city builder game with economy and science fiction themes. Common tags for Astra Sentinel include aliens, tower defense, real-time, isometric, building and others.
Astra Sentinel is available on PC and Windows.
Astra Sentinel is scheduled to be released in 2026.
Astra Sentinel was developed by Somnambulist Games.
Astra Sentinel is a single player game.
Similar games include Escape the End, Lost Galaxy: Echoes of War, Waves of Chaos, From Glory To Goo, NecroCity and others.













