
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
$29.99SpaceEngine
Jun 11 · Cosmographic Software
Both: Sandbox · Space Sim · Realistic
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Early AccessOpen WorldSci-fiCasualSandboxSpaceSpace Sim3DRealisticScience👍 15,848
$29.99Universe Sandbox
Aug 24 · Giant Army
Both: Sandbox · Space Sim
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Early AccessSimulationSandboxIndieSpaceEducationSpace SimRelaxingPhysicsOpen World👍 27,857
$18.99CAR TUNE: Project
Feb 20 · Vertices Software
Both: Realistic · Minimalist · Sandbox
CAR TUNE: Project is a detailed car tuning simulator where every bolt, screw, and gear matters. Build your dream machine, fine-tune every parameter, and test it on the track.
Early AccessDrivingAutomobile SimModdable3DRealisticMinimalistImmersive SimScienceSandbox👍 585
$29.99A Hole In Space
Feb 4 · Clever AI
Both: Space Sim · Sandbox
A "small" universe simulation, where you play as a black hole and try to absorb the whole universe. You decide the size and shape of the universe. Could also be used as a less meaningful CPU benchmark.
SimulationSpace SimSpaceAtmosphericRelaxingIndiePhysicsSandbox3DSingleplayer
-30%$17.49Space Simulation Toolkit
Jun 5 · Pavel Kudinov
Both: Sandbox · Space Sim
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.
SimulationSandboxPhysicsEarly AccessIndieArtificial Intelligence2DSpaceSpace SimEducation👍 501
$0.99Spacetime Dimension
Aug 31 · GraphPhysical
Both: Space Sim · Sandbox
A physics simulation software that simulates planetary motion and objects that obey Newton's laws,build slopes and connect geometries with sticks or springs and observe their trails.Observe the interaction and gravitational energy of planets.
CasualSimulationSoftwareGod GameSpace SimUtilitiesEducationSandboxExplorationSouls-like
$4.99The Sandbox
Jun 29 · PIXOWL INC.
Both: Sandbox
READY FOR CRAFTING VIRTUAL WORLDS ON YOUR PC?The acclaimed world-building game featuring a unique mission-based approach is coming onto PC via Steam Early Access. With over 16 million players on mobile & tablets versions and 1,500,000 pixel blocks creations shared in the Online Gallery to date, this PC version is taking world...
SandboxSimulationIndiePixel GraphicsCasualGod GameStrategy2DPhysicsEarly Access👍 524
$14.99StarMade
Dec 4 · Schine GmbH
Both: Sandbox
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
SpaceSandboxOpen WorldBuildingMultiplayerSci-fiVoxelAdventureIndieAction👍 2,199
$1.99VR Black Hole Travel Hypothesis
Sep 26 · William at Oxford
Both: Space Sim
In this VR Black Hole Travel Hypothesis game, you can have an immersive experience to travel through a black hole. What kind of unknown world did you reach after crossing? Start your adventure.
CasualFirst-PersonVRTime TravelSingleplayerSpace SimShooterImmersive SimFPSFlight
$4.99Galimulator
Mar 16 · Snoddasmannen
Both: Sandbox
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
SimulationSandboxStrategyGod GameSpaceIndieSingleplayer👍 478
Space Launch Engineer
Feb 27 · Simulators Live
Both: Space Sim
The year is 2023, and you are a head of private space launch company. You are driven by the only ambition: to reach the stars. Build rockets from wide variety of components, improve them, study new technologies to forge more and more powerful spacecraft.
IndieSimulationSpaceSpace SimDifficult3D






