Games like Astronaut Simulator
Games like Astronaut Simulator include Kerbal Space Program, Deliver Us The Moon, Empyrion - Galactic Survival, Outer Wilds, and Totally Accurate Battle Simulator. We matched them by the tags players give Astronaut Simulator on Steam (Simulation, Adventure, Indie, and Space): closest matches first, and among equally close ones the better-known games.
Kerbal Space Program
Shared: Simulation · Space · Indie
Deliver Us The Moon
Shared: Adventure · Indie · Space
Empyrion - Galactic Survival
Shared: Simulation · Space · Adventure
Outer Wilds
Shared: Space · Adventure · Indie
Totally Accurate Battle Simulator
Shared: Simulation · Indie · Adventure
Trailmakers
Shared: Space · Adventure · Simulation
3030 Deathwar Redux - A Space Odyssey
Shared: Adventure · Indie · Simulation
Between the Stars
Shared: Simulation · Space · Indie
Wobbly Life
Shared: Adventure · Simulation · Indie
Starship EVO
Shared: Simulation · Indie · Adventure
Internet Cafe Simulator
Shared: Simulation · Indie · Adventure
SPORE™ Galactic Adventures
Shared: Simulation · Adventure · Space
EVE Online
Shared: Adventure · Simulation · Space
Kinetic Void
Shared: Simulation · Space · Indie
Endless Sky
Shared: Space · Simulation · Adventure
Elite Dangerous
Shared: Space · Simulation · Adventure
Space Pirates And Zombies 2
Shared: Space · Indie · Simulation
Moonbase Alpha
Shared: Simulation · Space · Adventure
FTL: Faster Than Light
Shared: Space · Indie · Simulation
No Man's Sky
Shared: Space · Adventure · Indie
Space Engineers
Shared: Simulation · Space · Indie
Rebel Galaxy
Shared: Space · Adventure · Simulation
Papers, Please
Shared: Simulation · Indie · Adventure
Thief Simulator
Shared: Simulation · Adventure · Indie