Games Like Celestia

Build rockets and shoot them into space. Once you reach orbit, you are halfway to explore anywhere in the Solar System.

Why similar: Space Sim 32.7%, Simulation 15.4%, Science 13.3%, Space 12.6%, Education 12.1%

This simulation software brings the solar system to your fingertips, allowing you to explore the orbits of planets and witness the fascinating effects of introducing new cosmic objects like asteroids, extra suns, or even a black hole.

Why similar: Space Sim 37.6%, Simulation 20.1%, Education 19.8%, Space 7.2%, Exploration 6.7%

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Why similar: Space Sim 25.5%, Science 17.8%, Space 13.1%, Simulation 11.5%, Moddable 11.1%

This is a simulation based upon real physics. Its specifically for use with 3D headsets such as the HTC Vive and Oculus quest. It gives you a 3D perspective of how gravity works and interacts on all the bodies in a solar system. You can experiment with creating your own solar system.

Why similar: Space Sim 33%, Education 19.7%, Simulation 18.2%, Science 15.4%, Space 4.8%

A classic fantasy MMORPG powered by uMMORPG—discover dungeons, fight powerful creatures, forge rare equipment, and shape a living world alongside hundreds of players.

Why similar: Space Sim 33.9%, Science 21.6%, Education 17.8%, Simulation 11.6%, Space 9.7%

Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.

Why similar: Space Sim 25.7%, Simulation 17.4%, Science 17.1%, Space 8.8%, Moddable 8%

Pilot your ship through a perilous black hole system in this Space Action RPG. Engage in advanced ship combat, haul rare elements, and upgrade your vessel to survive. Stunning visuals, a deep narrative, and a rewarding progression system await as you uncover the abyss's dark secrets.

Why similar: Space Sim 25.9%, Science 14.9%, Moddable 14.4%, Education 12.3%, Simulation 8.7%

A first-person astronomy simulator built on real astronomical data. Set up, align, and operate your telescope as the sky changes with location, date, and time. Use star charts and bright stars to find targets, then observe the Moon, planets, and faint, distant deep-sky objects through the eyepiece.

Why similar: Space Sim 41.7%, Science 22.8%, Simulation 10.4%, Education 6%, Physics 5.5%

Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.

Why similar: Space Sim 34.6%, Science 13.6%, Simulation 11.5%, Space 7.7%, Education 7.5%

A rocket engine design sim with real physics. Wire pumps, injectors and nozzles on a node graph, set the numbers, and test fire. Live graphs and 3D hardware answer every change. Fourteen guided missions with a senior engineer, or free build. Recreate the Merlin 1D, or build one that shouldn't work.

Why similar: Space Sim 29.7%, Science 17.3%, Education 14.2%, Moddable 11.3%, Simulation 9.9%

Navigate through a detailed simulation of the solar system, where you can explore planets, moons, and other celestial bodies up close. Access detailed information, images, interactive content, quizzes and even mini-games where you can try to land a space probe.

Why similar: Space Sim 38.9%, Education 19.8%, Simulation 13.2%, Exploration 9.7%, Space 9.4%

Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

Why similar: Space Sim 26.3%, Science 18.2%, Education 13.3%, Space 9.5%, Simulation 8.7%

Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.

Why similar: Space Sim 47.3%, Simulation 23.4%, Space 12.2%, Exploration 9.6%, Open World 6.7%

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Why similar: Space Sim 47.4%, Simulation 25.9%, Space 11.1%, Exploration 9.2%, Open World 5.8%

Our goal is to depict the possibilities of space exploration & combat within a realistic environment- to emphasize the "science" in science-fiction. Key features to include: proper orbital mechanics for all objects in space, detailed ship system control, functionality, inter-dependency & damage reaction.

Why similar: Space Sim 61.8%, Simulation 27.7%, Space 10.5%

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

Why similar: Space Sim 38.6%, Science 18.2%, Space 11.5%, Simulation 11.4%, Exploration 6.8%

The existence of all mankind is under threat. You are the only hope!

Why similar: Space Sim 35.3%, Science 20.3%, Simulation 17.2%, Space 13.1%, Exploration 6.9%

A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.

Why similar: Space Sim 47.5%, Simulation 24.4%, Exploration 9.3%, Space 7.9%, 3D 5.6%

Caught in the middle of a violent conflict on the fringe of the galaxy — your ability to survive will depend on your piloting skills and combat savvy as a mercenary space fighter. But, as you explore the vastly detailed world of Tachyon: The Fringe, you will often find that the most powerful weapon on your ship is in your head.

Why similar: Space Sim 54.7%, Simulation 30.9%, Space 14.5%

Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.

Why similar: Space Sim 34.8%, Science 17.4%, Education 16.1%, Simulation 10.1%, Space 10.1%

Explore the real Solar System and thousands of star systems. Watch Phobos dash through the Martian sky or observe a sunset on a planet with multiple suns. Accelerate time, compare planet sizes, and visit scientifically grounded stars and exoplanets—in VR or on desktop.

Why similar: Space Sim 25.5%, Science 23.3%, Education 20.2%, Space 10.2%, Exploration 8.3%

A family friendly casual game that teaches children about celestial bodies. Learn about the Sun, Earth, Jupiter, and the other celestial bodies that make up our Solar System. You or your child will also be able to create your own Solar System in a sleek and in-depth fashion!

Why similar: Science 23.4%, Space Sim 22.7%, Education 21.5%, Space 11.7%, Simulation 8.9%

Explore more than 2,900 carefully selected photos from the Artemis II mission in an interactive 3D space, featuring distant views of Earth, the Moon's far side, ancient craters, earthrise, earthset, and a solar eclipse. Photo credit: NASA / Artemis II crew

Why similar: Space Sim 33.3%, Simulation 18.3%, Science 15.8%, Education 14.8%, Space 11%

History of Space is an immersive and educational game that allows players to explore a virtual space history museum, delving into the captivating history of space exploration.

Why similar: Space Sim 43%, Simulation 23.2%, Education 15.1%, Exploration 8.4%, Space 5.3%

You were promised a hero’s journey. You got a vacuum cleaner. Team up with 3 friends in this chaotic, physics-based co-op game. Build your space station out of "recycled" trash, dodge orbital debris, and try not to burn up in the atmosphere. In space, no one can hear you clean.

Why similar: Space Sim 42.7%, Simulation 21.8%, Science 18.3%, Space 7.8%, 3D 5.5%

Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.

Why similar: Space Sim 48.3%, Simulation 25.8%, Space 12.6%, Physics 8.4%, 3D 4.2%

Rover Simulator allows you to experience the cosmos through the lens of a Rover. Explore celestial bodies across the galaxy in the pursuit of evidence pointing to signs of life as well as gaining a broader understanding of the universe to pave the way for colonization beyond the Earth.

Why similar: Space Sim 41.6%, Simulation 20%, Science 13.9%, Exploration 8.6%, Space 5.6%

Spaceflight add-on for Microsoft Flight Simulator X

Why similar: Space Sim 45.1%, Simulation 38.6%, Space 16.3%

Star Paws is a space simulator with sandbox elements. In this game, you play as an astronaut cat. Your goal is to develop your own space program. Build a spacecraft from a variety of components and venture in search for a strange signal coming from a distant deep corner of the Solar System!

Why similar: Space Sim 34.2%, Science 21.6%, Education 14.8%, Space 9.8%, Simulation 9.6%

Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.

Why similar: Space Sim 26.3%, Science 21.8%, Moddable 12.6%, Space 10.7%, Simulation 9.1%

Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.

Why similar: Space Sim 28.8%, Science 22%, Space 11.6%, Simulation 11.2%, Education 10.9%

Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.

Why similar: Space Sim 31.7%, Science 17.4%, Education 10.9%, Simulation 10.7%, Space 10.6%

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.

Why similar: Space Sim 53.9%, Simulation 21.5%, Space 14.6%, Physics 5.8%, 3D 3.6%

Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.

Why similar: Space Sim 36.1%, Education 17%, Simulation 15.2%, Space 13.5%, Exploration 8.1%

A first-person space sim set in the real solar system at true scale, with every planet where it actually is today. Dock at the ISS, take contracts, survey planets, mine moons, haul cargo and fight pirates across genuine interplanetary distances as you rise from cadet to major.

Why similar: Space Sim 50%, Simulation 15.7%, Space 13.6%, Open World 8.5%, Exploration 8.1%

Realistic simulation of spaceflight in a full sized Solar System, with all the planets and their major moons. using real forces, distances, velocities and time. Chapter 1: The Apollo Days. Incredibly detailed Apollo Program missions starting with Apollo 8 lunar orbit missions.

Why similar: Space Sim 43.6%, Simulation 36.1%, Space 20.2%

Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!

Why similar: Space Sim 48.4%, Simulation 14.6%, Space 13.1%, Physics 7.4%, Science 7.2%

Experience the thrill of live space operations by controlling various Research, Experimental, and Demonstration (RED) spacecraft to accomplish real world tasking. The first mission is SpaceCowboy ADR (Active Debris Remediation). Clean up dangerous debris to earn ADR bucks and refuel to stay alive.

Why similar: Space Sim 33.2%, Education 21.6%, Space 11.6%, Exploration 8.9%, Simulation 8.2%

Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.

Why similar: Space Sim 22.1%, Science 19.4%, Education 16.8%, Simulation 11.5%, Space 10.5%

Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!

Why similar: Space Sim 37.6%, Simulation 25.2%, Moddable 14.3%, Space 14.1%, Physics 8.2%

Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.

Why similar: Space Sim 28%, Science 20.5%, Education 16.5%, Space 10.9%, Simulation 8.2%

Have you ever wondered what the whole Universe looks like? With the myriad Galaxies, each containing billions of Stars, including our Solar System? Have you seen a Human Brain and its Neurons? DNA? What about the Electrons surrounding the tiny Atomic Nucleus? And what lies at even smaller scales?

Why similar: Science 25.5%, Education 22.2%, Space Sim 17.7%, Space 12.8%, Simulation 11.2%

Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.

Why similar: Space Sim 27.1%, Science 18.1%, Education 13.6%, Moddable 13.3%, Space 7.1%

A simulation sci-fi game where players take on the role of the project manager of a space elevator project. They will progressively achieve project phase goals and ultimately accomplish the ultimate goal of constructing a Mars colonization spacecraft.

Why similar: Space Sim 45.7%, Simulation 25.8%, Space 9.7%, Exploration 8.9%, 3D 5.4%

Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!

Why similar: Space Sim 30%, Science 20.6%, Education 17.9%, Simulation 11.3%, Space 10.1%

One wrong jump ends the mission. Explore 76 real worlds, from Mercury to TRAPPIST-1e, built from NASA data and astronomical research. Manage scarce resources, survey distant worlds, and search for humanity's new home in a science-driven space roguelite where every run could be your last.

Why similar: Space Sim 27.2%, Science 23.4%, Education 20.3%, Simulation 10.3%, Space 9.6%

A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.

Why similar: Space Sim 48.5%, Simulation 28.4%, Space 12.4%, Physics 9.9%, Singleplayer 0.8%

Take your place at the tactical station of a spaceship and face a brutal war in the near future for control of the outer planets in this realistic space warfare simulator. Choose your side and lead your ship into battle, maneuvering and fighting according to the laws of orbital mechanics.

Why similar: Space Sim 41.6%, Simulation 21.7%, Science 15.1%, Space 13.7%, Physics 7.3%

Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.

Why similar: Space Sim 48.6%, Simulation 18.7%, Science 14.1%, Exploration 9.1%, Space 6%

Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.

Why similar: Space Sim 43.9%, Simulation 24.3%, Space 14.6%, Physics 7%, Exploration 6.5%

A wondrous journey across 13.8 billion years of cosmic history, ending with the discovery of ourselves. 'BIG BANG TO US' is an interactive science application that lets you experience the vast history of the universe through intuitive interactions.

Why similar: Education 24.3%, Simulation 22.5%, Space Sim 18.5%, Science 17.5%, Exploration 8.2%

A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.

Why similar: Space Sim 37.8%, Science 17.3%, Moddable 12.3%, Space 10.5%, Simulation 8.5%

An educational, family-friendly game about our very own Solar System. Fly through space, land on planets and learn all the essential information about planets. You can take quizzes about each planet to check your knowledge.

Why similar: Space Sim 30.6%, Science 22.2%, Education 22%, Space 13.6%, Physics 4.4%

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.

Why similar: Space Sim 29%, Science 19.1%, Education 15.7%, Simulation 9.4%, Space 9%

Fight, salvage and trade across the moons and rings of a solar system nobody can leave. Take what you can carry. Read what the dead left behind. Everything you do is remembered.

Why similar: Space Sim 45.9%, Simulation 23.9%, Space 12.3%, Exploration 9%, Open World 6.1%

A 2D pixel-art score-chaser built on real orbital mechanics. Launch, pitch over, coast, and circularise into the exact orbit each contract asks for, then hold it for one full lap before the fuel runs out. Ten missions, three hulls, and a gold tier tuned past the developers' own autopilot.

Why similar: Space Sim 41.2%, Education 24.7%, Simulation 22.2%, Space 7.7%, Physics 3.9%

Embark on humanity’s greatest journey to the Moon with Lunaris. Take on the role of an astronaut navigating NASA’s Apollo missions, from the roaring launch of Saturn V to stepping on the lunar surface. Experience the triumphs, challenges, and legacy of space exploration in this immersive simulator.

Why similar: Space Sim 44.5%, Simulation 25.7%, Education 15.4%, Space 6.5%, 3D 4.8%

Opportunity is an atmospheric narrative game where you become the famous NASA rover and brave the many obstacles littering the desolate red planet in order to finally complete its mission.

Why similar: Space Sim 43.8%, Simulation 22.2%, Science 9.2%, Exploration 8.8%, Space 6.9%

A physics sandbox of our Solar System. Fly the planets, change orbits, and watch Earth freeze, boil, or take a hit. Spawn worlds, cross Roche limits, and inspect atmospheres, magnetospheres, rings, and stellar heatmaps.

Why similar: Simulation 26.6%, Science 26%, Education 25.8%, Space 9.7%, Physics 8.1%

2D physics platformer! Control a cat in space and gravity itself!

Why similar: Space Sim 30.7%, Science 21.4%, Education 18.6%, Simulation 13.1%, Space 11.8%