Games like SpaceShips
Games like SpaceShips include Kerbal Space Program, Hardspace: Shipbreaker, STAR WARS™: Squadrons, FTL: Faster Than Light, and Universe Sandbox. We matched them by the tags players give SpaceShips on Steam (Looter Shooter, Flight, Bullet Hell, Space, and Physics): closest matches first, and among equally close ones the better-known games.
Kerbal Space Program
Shared: Space · Physics · Simulation
Hardspace: Shipbreaker
Shared: Space · Physics · Simulation
STAR WARS™: Squadrons
Shared: Flight · Space · Simulation
FTL: Faster Than Light
Shared: Space · Strategy · Indie
Universe Sandbox
Shared: Space · Physics · Space Sim
X4: Foundations
Shared: Space · Space Sim · Simulation
Spaceflight Simulator
Shared: Space · Space Sim · Simulation
House of the Dying Sun
Shared: Space · Flight · Simulation
Starpoint Gemini Warlords
Shared: Space · RPG · Space Sim
EVERSPACE™ 2
Shared: Space · Looter Shooter · Shooter
Space Engineers
Shared: Space · Physics · Simulation
Warframe
Shared: Looter Shooter · RPG · Space
Starpoint Gemini 2
Shared: Space · RPG · Simulation
Between the Stars
Shared: Space · RPG · Simulation
Elite Dangerous
Shared: Space · Space Sim · Simulation
Cosmoteer: Starship Architect & Commander
Shared: Space · Space Sim · 2D
Starminer
Shared: Space · Space Sim · RPG
SpaceBourne 2
Shared: Flight · RPG · Space Sim
Kerbal Space Program 2
Shared: Space · Physics · Simulation
Ostranauts
Shared: Flight · Space · Space Sim
EVERSPACE™
Shared: Space · Flight · Space Sim
Endless Sky
Shared: Space · RPG · Simulation
Reentry - A Space Flight Simulator
Shared: Flight · Space · Space Sim
Exo One
Shared: Flight · Space · Physics