Games like Orbital Approach
Games like Orbital Approach include Hardspace: Shipbreaker, Kerbal Space Program, Starfield, Superflight, and Exo One. We matched them by the tags players give Orbital Approach on Steam (Singleplayer, Space, Flight, Mini Golf, and Physics): closest matches first, and among equally close ones the better-known games.

Hardspace: Shipbreaker
Shared: Space · Singleplayer · Physics

Kerbal Space Program
Shared: Space · Physics · Singleplayer

Starfield
Shared: Space · Singleplayer · Exploration

Superflight
Shared: Flight · Singleplayer · Relaxing

Exo One
Shared: Space · Flight · Exploration

V: Rings of Saturn
Shared: Space · Singleplayer · Physics

No Man's Sky
Shared: Space · Exploration · Singleplayer

STAR WARS™: Squadrons
Shared: Space · Flight · Singleplayer

Kerbal Space Program 2
Shared: Space · Exploration · Physics

Elite Dangerous
Shared: Space · Exploration · Space Sim

Universe Sandbox
Shared: Space · Physics · Space Sim

Outer Wilds
Shared: Space · Exploration · Singleplayer

X4: Foundations
Shared: Space · Exploration · Space Sim

Trailmakers
Shared: Space · Singleplayer · Flight

EVERSPACE™
Shared: Space · Singleplayer · Flight

SpaceEngine
Shared: Space · Sci-fi · Flight

Stellaris
Shared: Space · Exploration · Singleplayer

Peggle Deluxe
Shared: Singleplayer · Arcade · Physics

Cosmoteer: Starship Architect & Commander
Shared: Singleplayer · Space · Sci-fi

Spaceflight Simulator
Shared: Space · Singleplayer · Exploration

Pinball FX Classic
Shared: Arcade · Physics · Singleplayer

Prey
Shared: Space · Singleplayer · Sci-fi

Space Engineers
Shared: Space · Physics · Singleplayer

Portal
Shared: Singleplayer · Physics · Puzzle