Games like Sanctum Arcadia
Games like Sanctum Arcadia include Starfield, STAR WARS™ Battlefront™ II, STAR WARS Jedi: Survivor™, Warhammer 40,000: Space Marine 2, and Star Wars Outlaws. We matched them by the tags players give Sanctum Arcadia on Steam (Space, Arcade, Action-Adventure, Shooter, and Futuristic): closest matches first, and among equally close ones the better-known games.

Starfield
Shared: Space · Sci-fi · RPG

STAR WARS™ Battlefront™ II
Shared: Space · Shooter · Sci-fi

STAR WARS Jedi: Survivor™
Shared: Action · Action-Adventure · Space

Warhammer 40,000: Space Marine 2
Shared: Action-Adventure · Action · Sci-fi

Star Wars Outlaws
Shared: Action-Adventure · Space · Action

Black Myth: Wukong
Shared: Action-Adventure · Action · Combat

The Callisto Protocol™
Shared: Space · Sci-fi · Shooter

Marvel's Guardians of the Galaxy
Shared: Action-Adventure · Space · Sci-fi

Mass Effect™ Legendary Edition
Shared: Space · Sci-fi · RPG

Dead Space
Shared: Space · Sci-fi · Shooter

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

BioShock Infinite
Shared: Shooter · Action · RPG

EVERSPACE™ 2
Shared: Space · Shooter · Action-Adventure

Mass Effect (2007)
Shared: Space · Sci-fi · RPG

PRAGMATA
Shared: Sci-fi · Action · Futuristic

Titanfall® 2
Shared: Shooter · Sci-fi · Futuristic

Call of Duty®: Infinite Warfare
Shared: Space · Futuristic · Action

Halo: Spartan Assault
Shared: Sci-fi · Shooter · Action

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Sci-fi · Space

STAR WARS™: Bounty Hunter™
Shared: Action-Adventure · Space · Sci-fi

Atomic Heart
Shared: Action-Adventure · Action · Adventure

SCARLET NEXUS
Shared: Action-Adventure · RPG · Action

Crimson Desert Enhanced
Shared: Action · Combat · Action-Adventure

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