Games like Periapsis: Eclipse
Games like Periapsis: Eclipse include Kerbal Space Program, Universe Sandbox, V: Rings of Saturn, Kerbal Space Program 2, and Solar Expanse - Space Exploration Manager. We matched them by the tags players give Periapsis: Eclipse on Steam (Immersive Sim, Roguelite, Science, Space, and Simulation): closest matches first, and among equally close ones the better-known games.
Kerbal Space Program
Shared: Space · Simulation · Science
Universe Sandbox
Shared: Simulation · Space · Science
V: Rings of Saturn
Shared: Space · Immersive Sim · Physics
Kerbal Space Program 2
Shared: Space · Science · Physics
Solar Expanse - Space Exploration Manager
Shared: Space · Science · Simulation
Spaceflight Simulator
Shared: Space · Simulation · Space Sim
Reentry - A Space Flight Simulator
Shared: Space · Simulation · Immersive Sim
SpaceEngine
Shared: Space · Science · Space Sim
Hardspace: Shipbreaker
Shared: Space · Simulation · Physics
Universe Sandbox
Shared: Simulation · Space · Science
Space Engineers
Shared: Space · Simulation · Physics
FTL: Faster Than Light
Shared: Space · Simulation · Indie
Heat Signature
Shared: Space · Stealth · Roguelite
Tin Can
Shared: Space · Simulation · Space Sim
X4: Foundations
Shared: Space · Simulation · Space Sim
Uncrashed : FPV Drone Simulator
Shared: Simulation · Immersive Sim · Physics
Empyrion - Galactic Survival
Shared: Simulation · Space · Space Sim
Flyout
Shared: Simulation · Immersive Sim · Physics
Elite Dangerous
Shared: Space · Space Sim · Simulation
Children of a Dead Earth
Shared: Simulation · Space · Science
PC Building Simulator
Shared: Immersive Sim · Simulation · 3D
BeamNG.drive
Shared: Simulation · Physics · Realistic
Totally Accurate Battle Simulator
Shared: Simulation · Physics · 3D
Void Crew
Shared: Roguelite · Space Sim · Space