Games like Evochron Mercenary
Games like Evochron Mercenary include Elite Dangerous, No Man's Sky, X4: Foundations, Kerbal Space Program, and Space Engineers. We matched them by the tags players give Evochron Mercenary on Steam (Space, Simulation, Indie, Sci-fi, and Space Sim): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space · Space Sim · Simulation

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

X4: Foundations
Shared: Space · Simulation · Space Sim

Kerbal Space Program
Shared: Space · Simulation · Space Sim

Space Engineers
Shared: Space · Simulation · Sandbox

Avorion
Shared: Space · Space Sim · Sandbox

Empyrion - Galactic Survival
Shared: Simulation · Space · Open World

EVE Online
Shared: Space Sim · Space · Simulation

X Rebirth
Shared: Space · Simulation · Sci-fi

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

Starpoint Gemini 2
Shared: Space · Simulation · Sci-fi

Rebel Galaxy
Shared: Space · Sci-fi · Open World

SpaceEngine
Shared: Sci-fi · Space · Open World

PULSAR: Lost Colony
Shared: Simulation · Space Sim · Space

Endless Sky
Shared: Space · Sci-fi · Simulation

X3: Terran Conflict
Shared: Space · Simulation · Sci-fi

Starship EVO
Shared: Indie · Simulation · Space

SPORE™ Galactic Adventures
Shared: Simulation · Space · Action

Stellaris
Shared: Space · Sci-fi · Simulation

SpaceCraft
Shared: Space · Sci-fi · Open World

Starminer
Shared: Space · Space Sim · Sci-fi

SPORE™
Shared: Simulation · Space · Open World

ASTRONEER
Shared: Space · Open World · Multiplayer

Starbase
Shared: Simulation · Space · Open World