Games like Galactic Simulator 3: Supporter Pack
Games like Galactic Simulator 3: Supporter Pack include Universe Sandbox, Kerbal Space Program, X4: Foundations, Stellaris, and Elite Dangerous. We matched them by the tags players give Galactic Simulator 3: Supporter Pack on Steam (Simulation, Idler, Space Sim, Space, and Procedural Generation): closest matches first, and among equally close ones the better-known games.
Universe Sandbox
Shared: Simulation · Space Sim · Space
Kerbal Space Program
Shared: Simulation · Space · Space Sim
X4: Foundations
Shared: Simulation · Space · Space Sim
Stellaris
Shared: Space · Simulation · Strategy
Elite Dangerous
Shared: Space Sim · Space · Simulation
SpaceEngine
Shared: Space · Space Sim · Sandbox
Hardspace: Shipbreaker
Shared: Simulation · Space · Sandbox
No Man's Sky
Shared: Space · Procedural Generation · Exploration
Kerbal Space Program 2
Shared: Space · Sandbox · Simulation
Spaceflight Simulator
Shared: Space Sim · Simulation · Space
SPORE™
Shared: Simulation · Sandbox · Space
Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy
EVE Online
Shared: Space Sim · Simulation · Space
Empyrion - Galactic Survival
Shared: Simulation · Space · Space Sim
Space Engineers
Shared: Simulation · Space · Sandbox
Vanguard Galaxy
Shared: Idler · Space · Sandbox
Nodebuster
Shared: Idler · Simulation · Incremental
FTL: Faster Than Light
Shared: Space · Strategy · Simulation
X Rebirth
Shared: Simulation · Space · Space Sim
Ostranauts
Shared: Simulation · Space Sim · Sandbox
Avorion
Shared: Space Sim · Sandbox · Space
Mountain
Shared: Simulation · Space · Relaxing
Planet Coaster
Shared: Simulation · Sandbox · Strategy
A Game About Feeding A Black Hole
Shared: Idler · Simulation · Incremental