About
Astra Sentinel is a single player survival city builder game with economy and science fiction themes.
Astra Sentinel is a wave-based survival RTS where endless alien hordes relentlessly assault your planets. Build defenses, manage resources, and expand your territory under constant pressure. Every decision matters, one breach can mean total annihilation. Face escalating threats, adapt your strategy, and survive as long as you can against an unforgiving threat. Expand your empire across divers…
Buy Astra Sentinel
Videos
Games Like Astra Sentinel
Frequently Asked Questions
Astra Sentinel is a survival city builder game with economy and science fiction themes.
Astra Sentinel is available on PC and Windows.
Astra Sentinel was developed by Somnambulist Games.
Astra Sentinel is a single player game.
Similar games include Escape the End, Space Tales, Lost Galaxy: Echoes of War, Beyond Astra, Border Pioneer and others.