Games like Inspiral: Evolution
Games like Inspiral: Evolution include Universe Sandbox, Kerbal Space Program, SPORE™, SpaceEngine, and X4: Foundations. We matched them by the tags players give Inspiral: Evolution on Steam (Simulation, Casual, Space, Indie, and Relaxing): closest matches first, and among equally close ones the better-known games.
Universe Sandbox
Shared: Simulation · Space · Sandbox
Kerbal Space Program
Shared: Simulation · Space · Sandbox
SPORE™
Shared: Simulation · Sandbox · Space
SpaceEngine
Shared: Casual · Space · Sandbox
X4: Foundations
Shared: Simulation · Space · Sandbox
Hardspace: Shipbreaker
Shared: Simulation · Space · Sandbox
Solar 2
Shared: Space · Casual · Indie
Universe Sandbox
Shared: Simulation · Space · Sandbox
Stellaris
Shared: Space · Strategy · Simulation
Space Engineers
Shared: Space · Simulation · Sandbox
Mountain
Shared: Simulation · Casual · Indie
Kerbal Space Program 2
Shared: Space · Sandbox · Simulation
Elite Dangerous
Shared: Space · Simulation · Space Sim
No Man's Sky
Shared: Space · Sandbox · Sci-fi
Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy
Empyrion - Galactic Survival
Shared: Simulation · Space · Sandbox
FTL: Faster Than Light
Shared: Space · Indie · Strategy
Exo One
Shared: Space · Relaxing · Physics
Everything
Shared: Simulation · Casual · Indie
Spaceflight Simulator
Shared: Simulation · Space · Sandbox
House Flipper
Shared: Simulation · Casual · Relaxing
Mini Motorways
Shared: Simulation · Casual · Strategy
Goat Simulator
Shared: Simulation · Casual · Sandbox
Equilinox
Shared: Simulation · Casual · Indie