Games like X4: Kingdom End
Games like X4: Kingdom End include X4: Foundations, X Rebirth, Elite Dangerous, Stellaris, and EVE Online. We matched them by the tags players give X4: Kingdom End on Steam (Simulation, Action, Trading, Space, and Space Sim): closest matches first, and among equally close ones the better-known games.
X4: Foundations
Shared: Simulation · Space · Space Sim
X Rebirth
Shared: Simulation · Action · Space
Elite Dangerous
Shared: Space · Space Sim · Simulation
Stellaris
Shared: Space · Simulation · Sci-fi
EVE Online
Shared: Space Sim · Simulation · Exploration
X3: Terran Conflict
Shared: Simulation · Space · Sandbox
Kerbal Space Program
Shared: Simulation · Space · Sandbox
Starminer
Shared: Space Sim · Sandbox · Space
SPORE™ Galactic Adventures
Shared: Simulation · Action · Space
Avorion
Shared: Sandbox · Space Sim · Space
鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Management
Endless Sky
Shared: Space · Simulation · Sci-fi
No Man's Sky
Shared: Space · Exploration · Sci-fi
Hardspace: Shipbreaker
Shared: Simulation · Space · Sci-fi
Jurassic World Evolution
Shared: Simulation · Sandbox · Management
Sins of a Solar Empire®: Rebellion
Shared: Simulation · Space · Management
Planet Coaster
Shared: Simulation · Sandbox · Management
Cities: Skylines
Shared: Simulation · Sandbox · Management
X3: Reunion
Shared: Simulation · Space · Space Sim
Supermarket Simulator
Shared: Simulation · Trading · Management
Dyson Sphere Program
Shared: Space · Simulation · Sci-fi
SPORE™
Shared: Simulation · Sandbox · Space
Cosmonautica
Shared: Simulation · Trading · Space
Space Engineers
Shared: Simulation · Space · Sandbox