About

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?

Pre-release · Steam · App 3171790

Astra Sentinel

Somnambulist Games

Genres
Strategy
Categories
Single-playerSteam AchievementsCamera ComfortCustom Volume ControlsAdjustable DifficultyPlayable without Timed InputSave AnytimeStereo SoundSubtitle OptionsSurround SoundSteam CloudFamily Sharing
Player tags
Base BuildingStrategyRTSResource ManagementSurvivalReal-Time with PauseAction RTSCity BuilderBuildingSci-fiAliensSpaceEconomyIsometricManagementTower DefenseReal Time TacticsTacticalSingleplayerDifficult
Followers
567
+0 · 1d
Wishlists est
7,586
Price
Release
2026
in 6mo
Followers history
29 snapshots· cumulative· 4 carried
+4 (+0.7%)
DayFollowersΔΔ %WishlistsΔΔ %
Jun 23, 202656700.0%7,58600.0%
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May 25, 20265637,536
Tracked since May 2, 2026·Details 1d ago·Followers 11h ago