Games like Space Mercs
Games like Space Mercs include EVERSPACE™, Elite Dangerous, Deliver Us The Moon, House of the Dying Sun, and No Man's Sky. We matched them by the tags players give Space Mercs on Steam (Action, Indie, Space Sim, Sci-fi, and Space): closest matches first, and among equally close ones the better-known games.

EVERSPACE™
Shared: Action · Indie · Space

Elite Dangerous
Shared: Space Sim · Space · Sci-fi

Deliver Us The Moon
Shared: Indie · Action · Sci-fi

House of the Dying Sun
Shared: Action · Indie · Space Sim

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

STAR WARS™: Squadrons
Shared: Space · Action · Flight

Chorus
Shared: Action · Indie · Space

Black Mesa
Shared: Action · Sci-fi · Shooter

Project Wingman
Shared: Action · Indie · Flight

Half-Life 2
Shared: Action · Sci-fi · Shooter

X Rebirth
Shared: Action · Sci-fi · Space

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Indie · Space

Angels Fall First
Shared: Action · Indie · Sci-fi

Starfield
Shared: Space · Sci-fi · Singleplayer

Rebel Galaxy
Shared: Space · Sci-fi · Action

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

X4: Foundations
Shared: Space · Space Sim · Sci-fi

BioShock Infinite
Shared: Action · Shooter · Singleplayer

Fallout 4
Shared: Singleplayer · Action · Shooter

Kerbal Space Program
Shared: Space · Space Sim · Indie

KovaaK's
Shared: Action · Indie · Shooter

Dead Space (2008)
Shared: Action · Sci-fi · Space

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

Bright Memory: Infinite
Shared: Action · Indie · Sci-fi