Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
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No game lists Galactic Civilizations III as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.
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Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
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Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization.
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Tachyon Wars is a sci-fi real-time space strategy game. It introduces seriously deep gameplay with an emphasis on fleet control. Open space to explore, large-scale battles, crafty AI. All of it is well seasoned with novel real-time game mechanics.
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A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
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Set in a world seized by machines, Mordfield Command is a turn-based hex wargame. Reclaim territory under mounting pressure and expand your control of the battlefield. Move too slowly, and the Algorithm’s growing forces will overrun you.
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Hexarchy is an innovative, fast-paced, historical 4x strategy game where you use cards and deckbuilding to make your decisions. Single-player and online multiplayer.
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Heroes of Might and Magic: Olden Era is the official prequel hailing back to the origins of the genre-defining, critically acclaimed series of turn-based strategy games. Raise grand armies and wield devastating spells to overcome your foes in both solo and multiplayer.
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Forge your Kingdom amidst the Ruins of Rome in this turn-based 4X strategy game! As the world crumbles, rebuild civilization and shape your people’s destiny. Unleash your strategic prowess, conquer provinces, and crush all who stand in your way.
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Conquer. Build. Survive. A tactical strategy game on procedural hex grids - intense, deep. Plan every move: establish your base, secure supply lines, and unleash suppression fire against all who stand in your way. Research new technologies - improve your units. Play solo, co-op, or PvP.
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