Games like Stellar Wanderer DX
Games like Stellar Wanderer DX include Elite Dangerous, EVE Online, X4: Foundations, Avorion, and Starfield. We matched them by the tags players give Stellar Wanderer DX on Steam (Space Sim, Flight, Trading, Old School, and Exploration): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space Sim · Exploration · Space

EVE Online
Shared: Space Sim · Exploration · Trading

X4: Foundations
Shared: Space Sim · Simulation · Space

Avorion
Shared: Space Sim · Exploration · Flight

Starfield
Shared: Space · Exploration · Sci-fi

X Rebirth
Shared: Space Sim · Simulation · Sci-fi

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Flight · Military · Shooter

STAR WARS™: Squadrons
Shared: Flight · Space · Sci-fi

Starpoint Gemini 2
Shared: Space Sim · Simulation · Space

Starminer
Shared: Space Sim · Trading · Sci-fi

Ostranauts
Shared: Flight · Space Sim · Simulation

SpaceBourne 2
Shared: Space Sim · Flight · RPG

War Thunder
Shared: Flight · Simulation · Action

Rebel Galaxy
Shared: Sci-fi · Space Sim · Space

No Man's Sky
Shared: Exploration · Space · Sci-fi

X3: Terran Conflict
Shared: Space Sim · Simulation · Space

Endless Sky
Shared: Space · Sci-fi · Simulation

Kerbal Space Program
Shared: Space Sim · Simulation · Space

EVERSPACE™
Shared: Space Sim · Space · Sci-fi

Galaxy on Fire 2™ Full HD
Shared: Space Sim · Exploration · Space

Project Wingman
Shared: Flight · Military · Simulation

SpaceEngine
Shared: Space Sim · Sci-fi · Flight

House of the Dying Sun
Shared: Space Sim · Simulation · Flight

Stellaris
Shared: Space · Sci-fi · Exploration