Tethered is described as 'Persistent browser-based space strategy game. Settle a planet, forge alliances, and dominate the galaxy — one tick at a time' and is an app. There are seven alternatives to Tethered for a variety of platforms, including Windows, Steam, Linux, Android and Mac apps. The best Tethered alternative is FreeOrion, which is both free and Open Source. Other great apps like Tethered are Endless Space, Stellaris, Galactic Civilizations and Stellar Monarch.
FreeOrion is a turn-based space empire and galactic conquest (4X) computer game being designed and built by the FreeOrion project. FreeOrion is inspired by the tradition of the Master of Orion games, but is not a clone or remake of that series or any other game.
Endless Space 2 will put you in the fascinating role of a leader guiding a civilization in making its first steps into the cold depths of interstellar space. You will explore mysterious star systems, discover the secrets of ancient races, develop advanced technologies of...
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Explore a vast galaxy full of wonder in Stellaris, the evolution of the 4X strategy genre with space exploration at its core.
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Galactic Civilizations III is the largest strategy sandbox ever made. Start with a single world and expand across the galaxy through diplomacy, trade, cultural hegemony or military conquest in this single-player or multiplayer 4X strategy game.
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Turn based, 4X, empire space builder, singleplayer, asymmetric, Emperor focused grand strategy. The game is a fast-paced, turn-based space empire builder with no micromanagement, asymmetric mechanics, and that focuses on you as the emperor.
United States
Build your own space faring empire in this true 4X mobile game. Discover new technologies, other alien races, derelict ships and much more as you spread your Empire to the Stars. The galaxy maps and star systems are procedurally generated, so with every game there will be...
Browser-based space MMO recreating classic gameplay, featuring real-time multiplayer battles, space exploration with allies, ship upgrades, PvP combat, missions, loot, top-down design, fleet tactics, and free play on any device without installation or downloads.
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