
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
$15.99X3: Terran Conflict
Oct 16 · Egosoft
Both: Sandbox · Space Sim
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
SpaceSimulationSandboxSci-fiStrategySpace SimOpen WorldTradingSingleplayerEconomy👍 2,091
$14.99Astrox Imperium
Mar 22 · Jace Masula
Both: Space Sim · Sandbox
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
SpaceSimulationEarly AccessIndieSpace SimSandboxOpen WorldSingleplayerMiningAtmospheric👍 1,236
$7.99SimpleRockets
Jun 3 · Jundroo, LLC
Both: Sandbox · Space Sim
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
SimulationSandboxPhysicsSpace SimIndieSpace2D👍 280
$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
$19.99Manifold Garden
Oct 20 · William Chyr Studio
Both: Experimental · Minimalist
Rediscover gravity and explore an Escher-esque world of impossible architecture. Witness infinity in first-person and master its rules to solve physics-defying puzzles. Cultivate a garden to open new paths forward, where an eternal expanse awaits.
PuzzleSurrealAbstractFirst-PersonExplorationPsychedelicPuzzle PlatformerExperimentalAtmosphericMinimalist👍 7,723
$9.99Astrox: Hostile Space Excavation
Nov 30 · Jace Masula
Both: Sandbox · Space Sim
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
SimulationSpaceIndieAdventureSandboxOpen WorldMiningSpace SimSingleplayerProcedural Generation👍 446
$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
$4.99X2: The Threat
Jul 21 · Egosoft
Both: Space Sim · Sandbox
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
SpaceStrategySimulationSci-fiSingleplayerOpen WorldEconomySpace SimSandboxTrading👍 444
$7.99Terraspace
Dec 31 · Black Apple
Both: Space Sim · Sandbox · Stylized
The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.
AdventureCity BuilderSpace SimSandboxColony Sim3DStylizedColorfulFuturisticSurvival
$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
$19.99SPORE™
Dec 19 · Maxis™
Both: Sandbox
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
God GameOpen WorldSandboxColony SimSimulationExplorationSpaceCasualCuteScience👍 66,890
$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
$4.99epsilon wars
Nov 12 · Thomas Evenson
Both: Space Sim · Minimalist
epsilon wars is a turn based artillery game set in space. players must use the newtonian gravity of suns, planets, and blackholes to guide their torpedoes at enemy ships, space stations, and freighters. challenge yourself in single player and multiplayer (2-4 players).
Space SimPhysicsTurn-Based StrategyMinimalistColorfulCasualPixel GraphicsSimulationLocal MultiplayerStrategy
$9.99Crazy Machines 3
Oct 18 · Fakt Software
Both: Sandbox
Crazy Machines 3 is the latest, greatest, most amazing and craziest part of the series and fascinates once more with physic-based puzzles. Build your own crazy machines and share your awesomeness across the world thanks to the Steam® Workshop.
SimulationPuzzlePhysicsStrategySandboxSingleplayerMultiplayerBuildingCasualDifficult👍 7,484
$3.992D Neon Cube
Sep 8 · Laush Dmitriy Sergeevich
Both: Space Sim
2D Neon Cube - it's beautiful and not difficult to pass the game. Exciting obstacles and graphical effects. Move the main character to the portal and try not to die!
Side Scroller2D PlatformerPuzzle PlatformerDifficultCasualPlatformer2DSpace SimSurvivalRelaxing👍 180
$0.99Orbt XL
Apr 21 · Adamvision Studios
Both: Minimalist
Defy gravity in Orbt XL! A fast-paced, addictive, 'just-one-more-round' arcade score chaser. Stay in orbit, dodge obstacles, and rack up points, the closer you are to the black hole, the higher your score! Easy to learn, tough to master, and perfect for quick play sessions while waiting in queue.
ArcadeDifficultRelaxing2DControllerActionScore AttackCasualMinimalistColorful👍 3,228
$5.99Starlight Explorers
Nov 2 · Dire Kitten Games
Both: Space Sim
Master physics in one compelling physics puzzle after another. Aim the launcher and adjust its power, using your understanding of gravity wells to correctly plot their courses in a variety of challenges. Complete a light-hearted story and then test yourself in the endless Expeditions mode.
Female ProtagonistSpaceFamily FriendlySpace SimScienceCasualAtmosphericSimulationProcedural GenerationCute
-60%$5.99DEEEER Simulator: Your Average Everyday Deer Game
Nov 23 · Gibier Games
Both: Sandbox
Put simply, DEEEER Simulator is a “Slow-Life Town Destruction Game”. You can spend your days enjoying a nice, relaxed frolic here and there together with the other animals around town, or you can choose to relieve some stress and absolutely destroy the town and everything in it.
ExplorationSandboxFunnyPhysicsThird PersonCuteParody SurrealOpen WorldHorses👍 4,446










