Games like 星界远航 Stellar Realm Voyage
Games like 星界远航 Stellar Realm Voyage include SimplePlanes, Avorion, X4: Foundations, Spaceflight Simulator, and Kerbal Space Program. We matched them by the tags players give 星界远航 Stellar Realm Voyage on Steam (Exploration, Racing, 2D Platformer, Top-Down Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

SimplePlanes
Shared: Exploration · Flight · Racing

Avorion
Shared: Exploration · Sandbox · Flight

X4: Foundations
Shared: Exploration · Sandbox · Space Sim

Spaceflight Simulator
Shared: Exploration · Sandbox · Space Sim

Kerbal Space Program
Shared: Sandbox · Exploration · Simulation

Minishoot' Adventures
Shared: Exploration · Bullet Hell · Top-Down Shooter

Ostranauts
Shared: Flight · Exploration · Sandbox

Liftoff®: FPV Drone Racing
Shared: Racing · Flight · Simulation

Mon Bazou
Shared: Racing · Exploration · Sandbox

Kerbal Space Program 2
Shared: Exploration · Sandbox · Simulation

Army of Ruin
Shared: Exploration · Bullet Hell · Top-Down Shooter

Nordic Ashes: Survivors of Ragnarok
Shared: Exploration · Bullet Hell · Strategy

SPORE™
Shared: Exploration · Sandbox · Simulation

Uncrashed : FPV Drone Simulator
Shared: Racing · Flight · Simulation

Stellaris
Shared: Exploration · Sandbox · Strategy

Reassembly
Shared: Sandbox · Exploration · Strategy

EVE Online
Shared: Exploration · Space Sim · Sandbox

Elite Dangerous
Shared: Exploration · Space Sim · Simulation

Need for Speed™ Payback
Shared: Racing · Combat Racing · Sandbox

Will You Wheel?
Shared: Racing · Exploration · Sandbox

Aviassembly
Shared: Exploration · Flight · Sandbox

Superflight
Shared: Flight · Exploration · Indie

Terraria
Shared: Sandbox · Exploration · 2D

Forza Horizon 6
Shared: Racing · Exploration · Simulation