If you liked this
Games like Startopia
If you finished Startopia, the closest matches are Anno 117: Pax Romana, Against the Storm, Anno 117: Pax Romana - Prophecies of Ash, Factorio: Space Age and Homeworld 3. All 36 share its real time strategy (rts) genre and are ranked by how closely their themes and modes overlap.
85
Anno 117: Pax Romana
91
Against the Storm
86
Anno 117: Pax Romana - Prophecies of Ash
92
Factorio: Space Age
77
Homeworld 3
85
Bulwark Evolution: Falconeer Chronicles
91
Rome: Total War
64
Machine Mind
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Men of War II
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Medieval II: Total War
83
Anno 1800
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Theme Hospital
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Europa Universalis IV
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Total War: Shogun 2
86
Shadow Tactics: Blades of the Shogun
86
Desperados III
Manor Lords
82
Spore
78
Age of Empires III
84
Hearts of Iron IV
85
Command & Conquer 3: Tiberium Wars
79
Stellaris
76
Knights of Honor II: Sovereign
79
Dungeons 4
88
Homeworld: Remastered Collection
75
RimWorld
Becastled
80
Stronghold Crusader
80
Brütal Legend
74
War Hospital
80
Plague Inc: Evolved
83
Sid Meier's Pirates!
85
Anno 1800: Console Edition
75
Command & Conquer: Red Alert 3
78
Company of Heroes 2
87