- #1 Juno: New Origins
97% matchVery Positive89% of 3,369 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.0 hrsMean: 12.8 hrs≥1hr: 51%
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 47% ★, Sandbox 19.8%, Physics 18.1%, Space 11.8%, Indie 3.3%
Why You'll Like It: This is the direct, modern successor to SimpleRockets, offering significantly expanded building and programming capabilities.
- #2 Kerbal Space Program
96% matchOverwhelmingly Positive95% of 133,317 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.3 hrsMean: 65.2 hrs≥1hr: 84%
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 31.4% ★, Sandbox 20%, Physics 16.7%, Space 15.6%, Simulation 14.6%
Why You'll Like It: As the primary inspiration for SimpleRockets, this game provides the definitive experience for realistic rocket construction and orbital physics.
- #3 Spaceflight Simulator
96% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 hrsMean: 14.2 hrs≥1hr: 84%
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 41.2% ★, Sandbox 21.6%, Simulation 12.7%, Space 12%, Physics 8.1%
Why You'll Like It: This game offers a very similar 2D experience focused on building rockets and navigating orbital mechanics in a clean, accessible interface.
- #4 Tiny Space Academy
95% matchMixed63% of 54 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
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 40.7% ★, Physics 21.1%, Simulation 17.4%, Space 14.6%, Indie 3.2%
Why You'll Like It: A charming 2D space simulation that captures the spirit of rocket building and exploration with a focus on cute, accessible gameplay.
- #5 Kerbal Space Program 2
94% matchMostly Negative27% of 31,135 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.1 hrs≥1hr: 86%
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 33.1% ★, Sandbox 21.3%, Physics 18.9%, Space 12.9%, Simulation 11.8%
Why You'll Like It: The modern iteration of the classic space-sim, featuring improved graphics and expanded interstellar travel mechanics.
- #6 Nimbatus - The Space Drone Constructor
94% matchMostly Positive79% of 2,144 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.1 hrs≥1hr: 84%
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
Why similar: Space Sim 50.4% ★, Sandbox 18.8%, Physics 16.7%, Space 14.1%
Why You'll Like It: This game features deep, physics-based construction mechanics that allow for complex drone creation in a space setting.
- #7 Cosmoteer: Starship Architect & Commander
92% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 54.8% ★, Space 18.5%, Simulation 16.2%, Indie 5.3%, 2D 5.2%
Why You'll Like It: It emphasizes modular ship building and physics-based combat, perfect for those who enjoy the engineering aspect of space games.
- #8 0RBITALIS
93% matchMostly Positive72% of 308 reviews2015
Dev: Alan ZucconiPub: Mastertronic
Windows · Mac
Median: 1.0 hrsMean: 3.8 hrs≥1hr: 50%
0RBITALIS is a satellite launching simulator with a retro-puzzle style. Launch your satellite into orbit and go head to head with the dominant force that formed the entire universe: Gravity.
Why similar: Simulation 39.9%, Physics 25.4%, Space 24.5%, Indie 10.3%
Why You'll Like It: A puzzle game that focuses entirely on the beauty and challenge of orbital mechanics and gravity-based trajectories.
- #9 Universe Sandbox
91% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
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: Sandbox 26.7%, Space Sim 20.7% ★, Physics 20.3%, Simulation 15.6%, Space 15%
Why You'll Like It: An essential physics-based space simulator that lets you manipulate gravity, climate, and celestial bodies in a massive sandbox.
- #10 Solar 2
91% matchVery Positive91% of 2,205 reviews2011
Dev: Murudai
Windows · Mac · Linux
Median: 2.0 hrsMean: 4.3 hrs≥1hr: 71%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: Sandbox 25.2%, Space Sim 22.9% ★, Space 20.4%, Physics 12.3%, Simulation 11.6%
Why You'll Like It: A physics-based sandbox that focuses on orbital mechanics and the growth of celestial bodies in a relaxing, minimalist environment.
- #11 Next Space Rebels
89% matchVery Positive86% of 354 reviews2021
Dev: Studio Floris KaaykPub: Balor Games
Windows · Mac
SPACE IS FOR EVERYONE. In Next Space Rebels, you will develop from a naive rocket hobbyist into an experienced space activist by designing, building, and launching rockets of increasing complexity.
Why similar: Simulation 46.4%, Physics 22.4%, Space 13.2%, Sandbox 12.3%, Indie 5.7%
Why You'll Like It: This game captures the DIY spirit of rocket building, focusing on the progression from small hobbyist rockets to complex space-faring vehicles.
- #12 Celestial Command
90% matchMixed63% of 687 reviews2014
Dev: Romenics
Windows · Mac · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space Sim 27.9% ★, Sandbox 23.3%, Simulation 23%, Space 21.6%, Indie 4.3%
Why You'll Like It: A space-sim that emphasizes realistic physics and modular ship building, allowing for complex engineering in a 2D environment.
- #13 Rover Builder
89% matchMixed68% of 81 reviews2022
Dev: Hatfuls GamesPub: PQube
Windows
Rover Builder is a 3D engineering sim tasking you to create the right rover to complete the job. Unleash your creativity in the garage, building vehicles using an impressive array of parts, materials and machinery. Or try your hand at level editor - creating entire missions and levels from scratch!
Why similar: Sandbox 32.5%, Physics 27.8%, Simulation 19.7%, Space 16.9%, Indie 3%
Why You'll Like It: Focuses on the engineering and physics-based construction of vehicles designed to traverse challenging planetary terrain.
- #14 Autocraft
88% matchMixed56% of 297 reviews2017
Dev: Alientrap
Windows · Mac
Median: 54 minMean: 3.2 hrs≥1hr: 44%
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
Why similar: Sandbox 29.3%, Physics 20.2%, Simulation 18.9%, Space Sim 16.7% ★, Space 10.9%
Why You'll Like It: A sandbox game that lets you build complex vehicles and machines using a robust physics engine.
- #15 Space Simulation Toolkit
86% matchVery Positive81% of 475 reviews2020
Dev: Pavel Kudinov
Windows
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.
Why similar: Space Sim 25.9% ★, Sandbox 21.8%, Physics 19.6%, Simulation 19%, Space 7.7%
Why You'll Like It: Provides a sandbox environment specifically for testing physics and orbital mechanics in a space setting.
- #16 Orbit HD
87% matchMixed58% of 89 reviews2015
Dev: Brainchild
Windows · Mac · Linux
Median: 2.9 hrsMean: 3.4 hrs≥1hr: 76%
Explore the cosmos as a comet, orbiting planets with a realistic gravity system and a backdrop of procedurally generated nebulae. Learn to use planetary gravity to your advantage, and relax in the ambience of space.
Why similar: Space Sim 36.5% ★, Physics 19.9%, Sandbox 14.9%, Space 14.2%, Simulation 12.4%
Why You'll Like It: A relaxing puzzle game that centers on the physics of orbits and gravity, echoing the core mechanics of SimpleRockets.
- #17 Trailmakers
84% matchVery Positive92% of 34,107 reviews2019
Dev: Flashbulb
Windows
Median: 3.9 hrsMean: 15.4 hrs≥1hr: 86%
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Why similar: Sandbox 34.6%, Space 33.7%, Physics 31.7%
Why You'll Like It: A highly creative physics-based building game that allows you to construct vehicles for land, sea, and air exploration.
- #18 Reassembly
85% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Sandbox 47.2%, Space 31.3%, Physics 7.2%, 2D 6.1%, Indie 5.4%
Why You'll Like It: A unique space-sim that combines modular ship building with physics-based combat and procedural exploration.
- #19 Main Assembly
84% matchVery Positive84% of 1,337 reviews2021
Dev: Bad Yolk GamesPub: Team17
Windows
Median: 1.0 hrsMean: 7.0 hrs≥1hr: 50%
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.
Why similar: Sandbox 39.6%, Physics 34.7%, Simulation 25.7%
Why You'll Like It: Offers advanced, physics-based construction tools that allow players to build complex robots and vehicles from scratch.
- #20 Satellite Command
86% matchMixed64% of 80 reviews2016
Dev: Stormtide
Windows
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 35.4% ★, Sandbox 19.6%, Physics 16.3%, Simulation 13.7%, Space 11.5%
Why You'll Like It: A simulation game that focuses on the management and orbital maintenance of satellites, highlighting the technical side of space flight.
- #21 Interstellar Pilot 2
83% matchVery Positive92% of 153 reviews2023
Dev: Pixelfactor Ltd.
Windows
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 41.9% ★, Simulation 23.4%, Sandbox 23%, Space 9.5%, Indie 2.2%
Why You'll Like It: A space-sim that offers a sandbox experience with a focus on ship management and exploration in a vast universe.
- #22 Besiege
82% matchOverwhelmingly Positive95% of 52,104 reviews2020
Dev: Spiderling Studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 19.1 hrs≥1hr: 71%
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
Why similar: Sandbox 39%, Physics 35.2%, Simulation 25.8%
Why You'll Like It: While set in a medieval context, its core appeal is the same physics-based construction and engineering challenge found in rocket sims.
- #23 Space Mechanic Simulator
82% matchMixed63% of 117 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
Why similar: Space Sim 48.3% ★, Simulation 17%, Physics 15.8%, Space 14.8%, Indie 4.1%
Why You'll Like It: Focuses on the maintenance and repair of space equipment, appealing to players who enjoy the technical side of space operations.
- #24 TerraTech
81% matchVery Positive91% of 24,455 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.2 hrsMean: 33.0 hrs≥1hr: 90%
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
Why similar: Sandbox 70.4%, Physics 24.3%, Indie 5.2%
Why You'll Like It: Focuses on modular vehicle building and exploration, rewarding players for creative engineering and efficient design.
- #25 Scrap Mechanic
80% matchVery Positive92% of 117,049 reviews2016
Dev: Axolot Games
Windows
Median: 11.1 hrsMean: 57.3 hrs≥1hr: 91%
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Why similar: Sandbox 43.3%, Physics 37%, Simulation 15.8%, Indie 3.9%
Why You'll Like It: Offers a highly interactive physics engine that is perfect for players who enjoy the engineering and construction aspects of sandbox games.
- #26 Rogue System
81% matchMixed67% of 274 reviews2022
Dev: Digits Crossed Interactive, LLCPub: Image Space Incorporated
Windows
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 61.7% ★, Simulation 28.3%, Space 10.1%
Why You'll Like It: A highly realistic space-sim that focuses on the intricate systems and operation of a spacecraft.
- #27 Stationeers
79% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Sandbox 39.6%, Physics 37.3%, Space 23.1%
Why You'll Like It: A complex engineering simulation that requires deep knowledge of systems, power, and atmosphere management in space.
- #28 StarbaseSim
76% matchVery Positive97% of 59 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 44.7% ★, Sandbox 22.8%, Simulation 17.6%, Physics 7.6%, Space 7.4%
- #29 Rover Mechanic Simulator
78% matchMostly Positive76% of 654 reviews2020
Dev: ▲ Pyramid GamesPub: Pyramid Games S.A.
Windows
Median: 4.4 hrsMean: 5.9 hrs≥1hr: 93%
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Why similar: Space Sim 52.5% ★, Simulation 23.4%, Space 18.1%, Indie 6%
Why You'll Like It: A detailed simulation of repairing and maintaining space rovers, focusing on the mechanical engineering aspect of space exploration.
- #30 Space Station Designer
78% matchNo user reviews
Dev: Polar MotionPub: Slitherine Ltd.
Windows · Mac
Space Station Designer is a construction and management game that puts you in charge of creating and expanding a network of space stations in Earth and Lunar orbits.
Why similar: Sandbox 39.2%, Simulation 34.9%, Space 24.9%, Indie 1%
Why You'll Like It: Focuses on the structural engineering and management of space habitats, appealing to those who enjoy the building aspect of space sims.
- #31 Space Station Manager
79% matchMixed45% of 77 reviews2020
Dev: Ondrej Hroch
Windows
Space Station Manager is an exciting game where you own a space company, your main goal is to build a space station, make profit, grow your business, build an economical network, and expand beyond the solar system.
Why similar: Simulation 67.1%, Indie 17.1%, Space 15.8%
Why You'll Like It: Combines the construction and management of space stations with a focus on the logistical challenges of living in space.
- #32 ΔV: Rings of Saturn
74% matchVery Positive93% of 3,305 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 85%
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Why similar: Space Sim 38.2% ★, Physics 19.6%, Space 14.5%, Sandbox 14.1%, Simulation 11.1%
- #33 Rocket Science
77% matchVery Positive80% of 160 reviews2020
Dev: unbeGames
Windows
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 36.6% ★, Sandbox 20.3%, Physics 18.1%, Space 12.7%, Simulation 12.4%
- #34 Space Sprouts
73% matchVery Positive100% of 64 reviews2025
Dev: Schleuder Games
Windows · Mac
Launch into a chaotic spaceship adventure: bend the rules of physics, experiment with unusual gadgets and toss everything around. With each journey, you will have limited time to reveal the mysteries aboard your solar punk spaceship - how much will you discover before you arrive home?
Why similar: Space Sim 36.1% ★, Sandbox 18.5%, Physics 17.9%, Simulation 12.7%, Space 9.1%
- #35 Space Mechanic Simulator: Prologue
75% matchMostly Positive80% of 64 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Space Mechanic Simulator: Prologue is a story prelude to the full version, which will introduce you to the world of cosmic repairs, greedy corporations, and cutting-edge technology.
Why similar: Space Sim 61.3% ★, Simulation 22.3%, Space 16.3%
- #36 Cosmic Drift
70% matchVery Positive97% of 74 reviews2025
Dev: Shakawah
Windows
Launch rockets into orbit around planets, find a good trajectory, and take risks to increase your score! Play solo, online, or even on Twitch!
Why similar: Space Sim 40.5% ★, Physics 21.7%, Simulation 18.1%, Space 17%, 2D 2.7%
- #37 Inspiral: Echoes of Gravity
71% matchMostly Positive80% of 54 reviews2025
Dev: PcZ Games
Windows · Mac
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
Why similar: Space Sim 35.9% ★, Sandbox 18.9%, Physics 16%, Simulation 13.5%, Space 12.9%
- #38 Space Simulator
76% matchMostly Negative36% of 162 reviews2018
Dev: Stuka Games IncPub: Brixton Dynamics Ltd
Windows
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 36.9%, Space 19.5%
- #39 Endless Sky
73% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 33.8%, Space Sim 33% ★, Simulation 15%, Sandbox 12.2%, 2D 3.6%
- #40 The Last Starship
69% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 43.3% ★, Sandbox 22.3%, Simulation 14.6%, Space 13.2%, 2D 3.5%
- #41 The Sandbox
75% matchMixed55% of 571 reviews2015
Dev: PIXOWL INC.
Windows
Median: 1.2 hrsMean: 5.5 hrs≥1hr: 55%
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...
Why similar: Sandbox 63.3%, Simulation 23.2%, Physics 7%, Indie 5.2%, 2D 1.3%
- #42 Kselebox
73% matchMostly Positive76% of 68 reviews2021
Dev: KseLeroNPub: ONRI Studio
Windows
Kselebox is a sandbox game, which means you can do whatever you want in it! You can build a rocket and go to explore the vastness of space. Or maybe you want to build a huge car? No problem! Players can save their buildings and then publish them to the Steam Workshop.
Why similar: Sandbox 35.4%, Physics 28.5%, Simulation 23.8%, 2D 6.3%, Indie 5.9%
- #43 Mars First Logistics
66% matchOverwhelmingly Positive95% of 3,474 reviews2025
Dev: Shape Shop
Windows
Median: 4.5 hrsMean: 10.1 hrs≥1hr: 79%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Space Sim 42.8% ★, Sandbox 22.9%, Physics 20.6%, Simulation 13.7%
- #44 Space Rocket
74% matchMixed54% of 69 reviews2018
Dev: RewindApp
Windows
Median: 18 minMean: 5.5 hrs≥1hr: 41%
Set off to conquer space with Space Rocket, an ultra addictive rocket game!
Why similar: Simulation 50%, Indie 37.3%, 2D 12.7%
- #45 SimplePlanes
70% matchVery Positive93% of 10,799 reviews2015
Dev: Jundroo, LLC
Windows · Mac
Median: 2.5 hrsMean: 12.7 hrs≥1hr: 74%
Build airplanes by snapping parts together, designing wing sections, and attaching engines. At any time, you can strap yourself into the cockpit and see how it flies with realistic physics. If you're not in the mood for building, over 100,000 airplanes are available to download for free.
Why similar: Sandbox 52.8%, Physics 47.2%
- #46 Reentry - A Space Flight Simulator
66% matchOverwhelmingly Positive97% of 1,212 reviews2025
Dev: Lyra Creative
Windows
Median: 2.0 hrsMean: 5.7 hrs≥1hr: 70%
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 49.5% ★, Physics 17.4%, Simulation 17.1%, Space 16%
- #47 Void Destroyer 2
71% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 47.7% ★, Sandbox 22.7%, Simulation 13.9%, Space 12.3%, Indie 3.4%
- #48 Archean
68% matchVery Positive88% of 236 reviews2024
Dev: batcholi
Windows · Linux
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Space Sim 38.1% ★, Sandbox 21.2%, Physics 16.9%, Simulation 12.1%, Space 11.6%
- #49 Little Rocket Lab
65% matchVery Positive91% of 1,227 reviews2025
Dev: Teenage AstronautsPub: No More Robots
Windows
Median: 8.0 hrsMean: 14.0 hrs≥1hr: 85%
Transform your childhood home as you build brilliant factories and forge lifelong friendships, then reach for the skies and finally finish your family's dream - your mother's precious rocket ship. Roll up your sleeves, it turns out that saving this town really IS rocket science!
Why similar: Sandbox 75.8%, Simulation 13.4%, 2D 10.8%
- #50 EarthX
68% matchVery Positive88% of 905 reviews2023
Dev: DenisPub: Mesote Games
Windows · Mac · Linux
Median: 6.3 hrsMean: 12.8 hrs≥1hr: 93%
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
Why similar: Space Sim 53.7% ★, Simulation 21.8%, Space 18.9%, Indie 5.6%
- #51 Nimbatus - Drone Creator
70% matchVery Positive90% of 270 reviews2020
Dev: Stray Fawn Studio
Windows · Mac · Linux
Median: 42 minMean: 5.3 hrs≥1hr: 40%
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
Why similar: Space Sim 28.2% ★, Simulation 26.9%, Sandbox 16.8%, Physics 13.5%, Space 7.7%
- #52 PixPhys
69% matchMostly Positive73% of 214 reviews2021
Dev: Red Starship
Windows · Linux
PixPhys is a 2D engineering sandbox with huge technical possibilities and scope for imagination: design equipment from a jet-powered cart to space stations.
Why similar: Sandbox 30.8%, Physics 26.8%, Simulation 18%, Space 16.8%, 2D 4%
- #53 Scribble Space
71% matchMixed61% of 104 reviews2015
Dev: Coty GetzelmanPub: N/A
Windows · Mac · Linux
Median: 3.4 hrsMean: 4.0 hrs≥1hr: 92%
Draw a ship, Fly it. Get creative.
Why similar: Space Sim 77.1% ★, Space 14%, 2D 5.8%, Indie 3.2%
- #54 Rodina
68% matchVery Positive93% of 1,329 reviews2014
Dev: Elliptic Games
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 71%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space Sim 33% ★, Space 28.1%, Sandbox 26.7%, Simulation 6.5%, Indie 5.7%
- #55 Sector Space
64% matchVery Positive96% of 53 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: Space Sim 59.8% ★, Simulation 28.7%, Space 5.5%, 2D 3.5%, Indie 2.4%
- #56 Kinetic Void
72% matchOverwhelmingly Negative17% of 1,556 reviews2014
Dev: Badland Studio
Windows · Mac · Linux
Median: 1.9 hrsMean: 3.6 hrs≥1hr: 76%
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants.
Why similar: Space 27.3%, Sandbox 24.2%, Simulation 23.9%, Space Sim 19.3% ★, Indie 5.2%
- #57 Space Engineers 2
63% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Space Sim 30.7% ★, Sandbox 22.4%, Physics 18.4%, Simulation 13.2%, Space 12.6%
- #58 Aviassembly
61% matchOverwhelmingly Positive97% of 8,303 reviews2025
Dev: Jelle Booij
Windows
Median: 6.1 hrsMean: 6.9 hrs≥1hr: 82%
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Why similar: Sandbox 42%, Physics 39.8%, Simulation 18.3%