If you liked this
Games like Doctor Galaxy
If you finished Doctor Galaxy, the closest matches are Star Citizen, Hytale, Cairn, No Man's Sky and Mewgenics. All 36 share its indie genre and are ranked by how closely their themes and modes overlap.
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Cairn
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No Man's Sky
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Mewgenics
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Farthest Frontier
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Frostpunk 2
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PowerWash Simulator 2
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Wanderstop
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Thank You For Your Application
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Nighthawks
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Two Point Museum
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Go-Go Town!
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Xenonauts 2
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Caves of Qud
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Cult of the Lamb: Woolhaven
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Will: Follow the Light
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Outbound
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Discounty
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Starsand Island
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Slay the Princess: The Pristine Cut
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S.p.l.i.t
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