Games like 无尽星海(Endless Stars)
Games like 无尽星海(Endless Stars) include Elite Dangerous, No Man's Sky, EVE Online, SpaceEngine, and X4: Foundations. We matched them by the tags players give 无尽星海(Endless Stars) on Steam (Space, Space Sim, Exploration, Early Access, and Futuristic): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space · Space Sim · Exploration

No Man's Sky
Shared: Space · Exploration · Adventure

EVE Online
Shared: Space Sim · Exploration · Space

SpaceEngine
Shared: Space · Space Sim · Casual

X4: Foundations
Shared: Space · Space Sim · Exploration

SPORE™
Shared: Space · Exploration · Colony Sim

Starfield
Shared: Space · Exploration · Singleplayer

Kerbal Space Program
Shared: Space · Space Sim · Simulation

Kerbal Space Program 2
Shared: Space · Exploration · Space Sim

Outer Wilds
Shared: Space · Exploration · Adventure

Spaceflight Simulator
Shared: Space Sim · Space · Exploration

Stellaris
Shared: Space · Exploration · Sci-fi

Universe Sandbox
Shared: Space · Space Sim · Simulation

Astrox Imperium
Shared: Space · Early Access · Space Sim

Hardspace: Shipbreaker
Shared: Space · Space Sim · Simulation

Empyrion - Galactic Survival
Shared: Space · Exploration · Space Sim

Exo One
Shared: Space · Exploration · Adventure

Star Trucker
Shared: Space Sim · Space · Exploration

Dyson Sphere Program
Shared: Space · Simulation · Space Sim

Slime Rancher
Shared: Exploration · Adventure · Singleplayer

Avorion
Shared: Space Sim · Exploration · Space

Cosmoteer: Starship Architect & Commander
Shared: Space · Space Sim · Exploration

X Rebirth
Shared: Space · Space Sim · Simulation

DAVE THE DIVER
Shared: Exploration · Casual · Adventure