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https://store.steampowered.com/app/880750/Astra_Exodus/

Astra Exodus is a single player turn based Sci-fi 4X strategy game inspired by the classics, with a multiple choice narrative driven epic campaign, top down real time tactical battles and an extensive semi-randomized research grid.
Take the chance to lead humanity back home, while uncovering the mysteries behind the Exodus, across a choice driven narrative campaign. Alternatively challenge yourself in the Sandbox mode by leading any of the various alien factions to several possible victory conditions.

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