Games like Stellaris: MegaCorp
Games like Stellaris: MegaCorp include Stellaris, X4: Foundations, FTL: Faster Than Light, Sins of a Solar Empire II, and ENDLESS Space™ 2. We matched them by the tags players give Stellaris: MegaCorp on Steam (Strategy, Simulation, 4X, Sci-fi, and Space): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Strategy · Space · Sci-fi

X4: Foundations
Shared: Simulation · Space · 4X

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

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

ENDLESS Space™ 2
Shared: Strategy · 4X · Sci-fi

Anno 2205™
Shared: Strategy · Simulation · Sci-fi

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

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Sci-fi · 4X

Distant Worlds 2
Shared: Strategy · Simulation · 4X

Hardspace: Shipbreaker
Shared: Simulation · Sci-fi · Space

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

Master of Orion
Shared: Strategy · 4X · Space

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

Sid Meier’s Civilization® VI
Shared: Strategy · 4X · Singleplayer

Starpoint Gemini Warlords
Shared: Strategy · Space · Simulation

Galactic Civilizations IV
Shared: Simulation · Strategy · Space

X3: Terran Conflict
Shared: Simulation · Strategy · Space

Dune: Spice Wars
Shared: Strategy · Sci-fi · Singleplayer

Sins of a Solar Empire®: Rebellion
Shared: Simulation · Strategy · Singleplayer

Dyson Sphere Program
Shared: Space · Simulation · Sci-fi

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Singleplayer · Strategy

Europa Universalis IV
Shared: Strategy · Simulation · 4X

X Rebirth
Shared: Simulation · Sci-fi · Space

RimWorld
Shared: Strategy · Simulation · Singleplayer