PlayfeedGames like Sentinel 3: Homeworld
by Origin8
Sentinel 3: Homeworld is a top-down 3D sci-fi tower defense strategy: defending against enemies, controlling a commander unit, deploying turrets and weapons. X-Morph: Defense and Taur play most like Sentinel 3: Homeworld. Of the 12 closest games below, most share its tower defense and sci-fi.
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Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
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Defense Grid: The Awakening
Dec 8, 2008 · Hidden Path Entertainment
Both: Tower Defense · Sci-fi
Isometric 3D sci-fi tower defense. Building fortification towers, defending against alien hordes and upgrading towers.
Tower DefenseStrategySci-fiSingleplayerIndieAliensFuturisticAddictiveTouch-FriendlyReplay Value👍 4,531Fortified
Feb 3, 2016 · Siege Camp
Both: Tower Defense · Sci-fi
Third-person 3D sci-fi strategy shooter tower defense, 1950s comic book. Defending against martian invasion, building defensive structures and shooting robots.
ActionTower DefenseIndieCo-opStrategyMultiplayerThird-Person ShooterAliensSci-fiShooter👍 218