Games like Arc Savior
Games like Arc Savior include House of the Dying Sun, STAR WARS™: Squadrons, EVERSPACE™, Project Wingman, and STAR WARS™ Battlefront™ II. We matched them by the tags players give Arc Savior on Steam (Simulation, Action, Indie, Space, and Space Sim): closest matches first, and among equally close ones the better-known games.

House of the Dying Sun
Shared: Simulation · Action · Indie

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

EVERSPACE™
Shared: Action · Space · Indie

Project Wingman
Shared: Action · Flight · Indie

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

Chorus
Shared: Action · Indie · Space

HELLDIVERS™ 2
Shared: Action · Third-Person Shooter · Shooter

Elite Dangerous
Shared: Space · Space Sim · Simulation

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

Kerbal Space Program
Shared: Simulation · Space · Space Sim

Starpoint Gemini 2
Shared: Simulation · Space · Action

Deliver Us The Moon
Shared: Action · Indie · Space

X Rebirth
Shared: Simulation · Action · Space

Strike Suit Infinity
Shared: Action · Indie · Space

KovaaK's
Shared: Action · Simulation · Indie

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

Angels Fall First
Shared: Action · Indie · Simulation

X4: Foundations
Shared: Simulation · Space · Space Sim

Rebel Galaxy
Shared: Space · Sci-fi · Action

Dead Space
Shared: Space · Sci-fi · Third-Person Shooter

Strike Suit Zero: Director's Cut
Shared: Action · Space · Indie

FTL: Faster Than Light
Shared: Space · Indie · Sci-fi

Aimlabs
Shared: Simulation · Action · Shooter

Avorion
Shared: Space Sim · Space · Flight