Games like Space Merchants: Arena
Games like Space Merchants: Arena include Elite Dangerous, Kerbal Space Program, STAR WARS™: Squadrons, EVE Online, and PUBG: BATTLEGROUNDS. We matched them by the tags players give Space Merchants: Arena on Steam (Arena Shooter, Real Time Tactics, Space, Artificial Intelligence, and Physics): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space · Space Sim · VR

Kerbal Space Program
Shared: Space · Physics · Space Sim

STAR WARS™: Squadrons
Shared: Space · PvP · VR

EVE Online
Shared: Space · Space Sim · Trading

PUBG: BATTLEGROUNDS
Shared: PvP · Shooter · Action

Space Engineers
Shared: Space · Physics · PvP

CarX Drift Racing Online
Shared: PvP · Physics · Simulation

Pixel Gun 3D: PC Edition
Shared: PvP · Shooter · Arena Shooter

GoreBox
Shared: Physics · Shooter · PvP

BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Shared: Arena Shooter · PvP · Shooter

Garry's Mod
Shared: Physics · Casual · First-Person

THE FINALS
Shared: PvP · Shooter · Arena Shooter

Marvel Rivals
Shared: PvP · Shooter · Action

SpaceBourne 2
Shared: Space Sim · RPG · Space

Verdun
Shared: PvP · Shooter · Massively Multiplayer

Universe Sandbox
Shared: Space · Physics · Space Sim

Starpoint Gemini 2
Shared: Space · RPG · Space Sim

Aimlabs
Shared: Shooter · Simulation · Action

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

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

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Space · Shooter · Action

Nuclear Option
Shared: PvP · Physics · Simulation

Avorion
Shared: Space · Space Sim · PvP

Wildgate
Shared: Space · PvP · Shooter