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Expand your empire one sector at a time in a fast-paced turn-based 4X strategy game. Capture planets, harvest resources, command powerful fleets, and adapt your strategy with unique Emperors and unpredictable divine interventions. Play solo, or challenge rivals in tactical PvP.
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Match strength key:80+65+50+<50Cosmist
SteamAbout Cosmist
Build an Empire Among the Stars
Expand your empire across procedurally generated galaxies where every campaign presents a new strategic challenge.
Capture planets, gather resources, command powerful fleets, and choose the best path to victory as you compete for control of the stars.
With fast-paced turn-based gameplay, unique Emperors, and galaxies that change every game, Cosmist delivers the depth of a 4X strategy game in focused, replayable campaigns.
<span class="bb_img_ctn"><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4111800/extras/9dd76dc361d0296f95613384de63df25.avif?t=1783522574" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4111800/extras_big/9dd76dc361d0296f95613384de63df25.avif?t=1783522574 width=1560 height=878 /></span><br>Rule with a Unique Emperor
Every Emperor offers a different way to play.
Choose the ruler that matches your preferred strategy and adapt your expansion around their unique strengths.
Experiment with different Emperors to discover new approaches to galactic conquest.

Expand Your Empire
Every campaign begins with a single world.
From there, you'll expand across procedurally generated galaxies by capturing planets and securing valuable territory.
Every new sector increases your influence and opens new opportunities for growth.
Planning your expansion is just as important as winning battles.

Build a Strong Economy
A powerful empire needs a steady flow of resources.
Capture resource-rich planets.
Harvest valuable materials.
Upgrade your colonies.
Manage your economy to support your growing empire and prepare for future conflicts.

A New Galaxy Every Time
No two campaigns are the same.
Procedurally generated galaxies create new layouts, different expansion routes, and fresh strategic opportunities with every game.
Experiment with different Emperors, strategies, and starting positions to discover new ways to conquer the stars.
Features
Ready to Build Your Empire?
Every campaign begins with a single planet.
How your empire grows is up to you.
Expand across the galaxy, command your fleets, and lead your civilization toward victory.
Wishlist Cosmist today and prepare to conquer the stars.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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