Games like Galaxicus
Games like Galaxicus include Stellaris, Elite Dangerous, Avorion, No Man's Sky, and EVE Online. We matched them by the tags players give Galaxicus on Steam (Space, Exploration, Grand Strategy, War, and PvE): closest matches first, and among equally close ones the better-known games.
Stellaris
Shared: Space · Grand Strategy · Exploration
Elite Dangerous
Shared: Space · Exploration · Space Sim
Avorion
Shared: Exploration · Space · Space Sim
No Man's Sky
Shared: Space · Exploration · Sci-fi
EVE Online
Shared: Exploration · Space · Space Sim
Cosmoteer: Starship Architect & Commander
Shared: Space · Exploration · Space Sim
ENDLESS Space™ 2
Shared: Space · Strategy · Grand Strategy
Star Trek: Infinite
Shared: Space · Grand Strategy · Exploration
STAR WARS™ Empire at War - Gold Pack
Shared: Space · Strategy · War
Warhammer 40,000: Space Marine 2
Shared: PvE · Space · Third Person
X4: Foundations
Shared: Space · Exploration · Space Sim
HELLDIVERS™ 2
Shared: PvE · Space · Sci-fi
Sid Meier’s Civilization® VI
Shared: Grand Strategy · Strategy · War
Empyrion - Galactic Survival
Shared: Space · Exploration · Space Sim
Galactic Civilizations IV
Shared: Space · Grand Strategy · Exploration
SpaceCraft
Shared: Space · Exploration · Sci-fi
Jump Space
Shared: Space · PvE · Exploration
Black Desert
Shared: Exploration · War · PvP
Hearts of Iron IV
Shared: Grand Strategy · War · Strategy
ARC Raiders
Shared: PvP · PvE · Third Person
Starfield
Shared: Space · Exploration · Sci-fi
Total War: THREE KINGDOMS
Shared: War · Grand Strategy · Strategy
Galactic Civilizations III
Shared: Grand Strategy · 3D · Sci-fi
Total War: WARHAMMER II
Shared: Grand Strategy · Strategy · War