Games like Imperium Galactica
Games like Imperium Galactica include Stellaris, Master of Orion, ENDLESS Space™ 2, STAR WARS™ Empire at War - Gold Pack, and Sid Meier's Civilization®: Beyond Earth™. We matched them by the tags players give Imperium Galactica on Steam (Strategy, Space, 4X, Classic, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Strategy · Space · 4X

Master of Orion
Shared: Strategy · Space · 4X

ENDLESS Space™ 2
Shared: Strategy · Space · 4X

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Space · Sci-fi

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Space · 4X

Homeworld Remastered Collection
Shared: Strategy · Space · Classic

Master of Orion 2
Shared: Strategy · 4X · Space

Sins of a Solar Empire II
Shared: Strategy · Space · 4X

ENDLESS Space™ - Definitive Edition
Shared: Strategy · Space · 4X

FTL: Faster Than Light
Shared: Space · Strategy · Sci-fi

X4: Foundations
Shared: Space · 4X · Strategy

Space Rangers HD: A War Apart
Shared: Space · Strategy · Classic

Distant Worlds 2
Shared: Strategy · 4X · Space

Anno 2205™
Shared: Strategy · 4X · Sci-fi

StarDrive 2
Shared: Strategy · Space · 4X

Distant Worlds: Universe
Shared: Strategy · Space · 4X

Age of Wonders: Planetfall
Shared: Strategy · 4X · Sci-fi

Master of Orion 1
Shared: Strategy · 4X · Space

Galactic Civilizations IV
Shared: Space · Strategy · 4X

Sid Meier's Starships
Shared: Strategy · Space · Sci-fi

Sid Meier's Alpha Centauri™ Planetary Pack
Shared: Strategy · 4X · Space

StarDrive
Shared: Strategy · Space · 4X

Starpoint Gemini Warlords
Shared: Space · Strategy · Sci-fi

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Classic · Space · Sci-fi