- #1 Rover Mechanic Simulator
97% matchMostly Positive76% of 671 reviews2020
Dev: ▲ Pyramid GamesPub: Pyramid Games S.A.
Windows
Median: 4.4 hrsMean: 5.8 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: Mars 37.8% ★, Science 15.4%, Space 14.2%, Space Sim 13.2%, Education 7.7%
Why You'll Like It: Focuses on the intricate technical maintenance and repair of rovers, mirroring the core simulation loop of the seed game.
- #2 Occupy Mars: The Game
96% matchMixed70% of 3,170 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 36.7 hrs≥1hr: 78%
Survive and colonize Mars alone or in online co-op. Build and upgrade your base, craft equipment, mine resources, produce water, oxygen and food, explore an open world, and repair complex machinery in a technical survival sandbox.
Why similar: Mars 40.8% ★, Space 11.6%, Survival 8.9%, Building 7.7%, Sandbox 7.3%
Why You'll Like It: Provides a comprehensive experience of surviving and building on Mars with a heavy emphasis on resource management and technical systems.
- #3 Kerbal Space Program
96% matchOverwhelmingly Positive96% of 147,368 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.3 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 25%, Science 18.2%, Space Sim 15.5%, Simulation 9.5%, Sandbox 8.6%
Why You'll Like It: Shares the same commitment to realistic physics and orbital mechanics while challenging players to build functional spacecraft.
- #4 Space Engineers
95% matchVery Positive89% of 134,498 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.5 hrs≥1hr: 88%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space Sim 17%, Space 16.8%, Building 9.2%, Moddable 8.5%, Survival 8.1%
Why You'll Like It: Offers deep engineering and construction mechanics in a space environment, perfect for players who enjoy the building aspect of Mars colonization.
- #5 Reentry - A Space Flight Simulator
94% matchOverwhelmingly Positive97% of 1,372 reviews2025
Dev: Lyra Creative
Windows
Median: 2.2 hrsMean: 6.7 hrs≥1hr: 72%
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 23.2%, Space Sim 22%, Science 20.4%, Simulation 10.1%, Education 7.1%
Why You'll Like It: An ultra-realistic space flight simulator that appeals to the same audience looking for authentic, science-based space operations.
- #6 Mars Horizon
92% matchVery Positive84% of 3,099 reviews2020
Dev: Auroch Digital
Windows · Mac
Median: 5.3 hrsMean: 9.2 hrs≥1hr: 93%
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Why similar: Mars 36.1% ★, Science 14.4%, Space 14%, Space Sim 12.8%, Education 7%
Why You'll Like It: A management-focused game that lets you run a space agency and oversee the historical and future missions to Mars.
- #7 The Planet Crafter
91% matchOverwhelmingly Positive96% of 74,281 reviews2024
Dev: Miju Games
Windows
Median: 21.7 hrsMean: 38.8 hrs≥1hr: 92%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Space 28.5%, Building 16.3%, Survival 15.6%, Sandbox 10.9%, Exploration 9.6%
Why You'll Like It: Focuses on the long-term goal of terraforming a hostile planet, blending survival mechanics with base building and exploration.
- #8 JCB Pioneer: Mars
93% matchMixed41% of 155 reviews2017
Dev: AtomicomPub: GamesCo
Windows
JCB Pioneer: Mars drops you onto the surface of The Red Planet. Your mission: To survive and prepare Mars for future human colonization.
Why similar: Mars 42.7% ★, Simulation 18.2%, Building 13.2%, Survival 11.6%, Exploration 7.6%
Why You'll Like It: Focuses on the heavy machinery and exploration aspects of operating on the Martian surface.
- #9 Stationeers
91% matchVery Positive88% of 9,306 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 85.8 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: Science 24.1%, Space 21%, Building 11.7%, Survival 10.7%, Moddable 10.5%
Why You'll Like It: A hardcore simulation game that requires players to manage complex atmospheric, electrical, and mechanical systems in space environments.
- #10 ASTRONEER
90% matchVery Positive92% of 139,497 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.7 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Space 29.1%, Survival 13.9%, Multiplayer 9.8%, Building 9.7%, Sandbox 9.5%
Why You'll Like It: Features a more stylized approach to planetary exploration and base building, emphasizing creative freedom and resource gathering.
- #11 Per Aspera
89% matchMostly Positive76% of 5,783 reviews2020
Dev: Tlön IndustriesPub: Raw Fury
Windows
Median: 5.0 hrsMean: 12.0 hrs≥1hr: 93%
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
Why similar: Mars 35.1% ★, Science 14.2%, Space 12.8%, Building 7.8%, Moddable 7.4%
Why You'll Like It: A planetary-scale strategy game where you manage the terraforming of Mars through automation and resource management.
- #12 Mars 2030
89% matchMostly Positive70% of 87 reviews2017
Dev: FMG LabsPub: Fusion Media Group
Windows
MARS 2030 is a virtual reality simulation where players explore the Red Planet and make discoveries across 40 square kilometers of open Martian terrain, accurately-mapped and -modeled using NASA satellite data. Produced in collaboration with NASA.
Why similar: Mars 69.6% ★, Simulation 30.4%
Why You'll Like It: A scientifically accurate simulation developed with NASA data that focuses on the exploration of the Martian landscape.
- #13 Empyrion - Galactic Survival
88% matchMostly Positive78% of 34,438 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.2 hrsMean: 77.1 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Space 20.1%, Space Sim 18.1%, Building 10.7%, Simulation 10%, Survival 9.5%
Why You'll Like It: Combines survival, building, and space exploration in a way that allows for both planetary and interstellar travel.
- #14 Deliver Us Mars
87% matchMostly Positive75% of 3,036 reviews2023
Dev: KeokeN InteractivePub: Frontier Foundry
Windows
Median: 4.5 hrsMean: 6.0 hrs≥1hr: 92%
Deliver Us Mars is an atmospheric sci-fi adventure taking you on a suspense-fuelled, high-stakes mission to recover the ARK colony ships stolen by the mysterious Outward.
Why similar: Mars 68% ★, Space 23.3%, Realistic 6.5%, First-Person 1.5%, Singleplayer 0.7%
Why You'll Like It: A narrative-driven exploration game that captures the atmosphere and visual scale of Martian missions.
- #15 Universe Sandbox
86% matchOverwhelmingly Positive96% of 32,344 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.3 hrsMean: 24.5 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: Science 20.9%, Space Sim 18.7%, Space 18.4%, Education 9.5%, Simulation 8.3%
Why You'll Like It: Allows players to manipulate celestial bodies and simulate physics, appealing to the scientific curiosity of space enthusiasts.
- #16 Mars First Logistics
82% matchVery Positive95% of 3,795 reviews2025
Dev: Shape Shop
Windows
Median: 4.3 hrsMean: 10.4 hrs≥1hr: 80%
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: Mars 47.2% ★, Science 12.2%, Space Sim 10.6%, Building 6.1%, Sandbox 5%
Why You'll Like It: A physics-based transport game that focuses on moving cargo across the Martian surface using custom-built vehicles.
- #17 Kerbal Space Program 2
84% matchMostly Negative26% of 32,033 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.4 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: Science 20.1%, Space 18.3%, Space Sim 14.3%, Building 9.7%, Sandbox 8.1%
Why You'll Like It: Expands on the original with improved visuals and more complex building options for interplanetary travel.
- #18 Space Company Simulator
85% matchMostly Negative28% of 179 reviews2019
Dev: IntermarumPub: All in! Games
Windows
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
Why similar: Mars 37.2% ★, Space 17.4%, Space Sim 15.2%, Simulation 11%, Building 9.7%
Why You'll Like It: Focuses on the business and technical side of running a space company, managing launches and research.
- #19 Sol 0: Mars Colonization
83% matchMixed69% of 410 reviews2016
Dev: Chondrite Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 6.9 hrs≥1hr: 74%
Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.
Why similar: Mars 57.4% ★, Space 26.6%, Simulation 16%
Why You'll Like It: A strategy game dedicated specifically to the early stages of establishing a Martian colony.
- #20 Stormworks: Build and Rescue
79% matchVery Positive91% of 60,190 reviews2020
Dev: Geometa
Windows · Mac
Median: 17.4 hrsMean: 113.9 hrs≥1hr: 91%
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
Why similar: Building 23.7%, Sandbox 22.7%, Survival 16.6%, Exploration 13.1%, Multiplayer 10.7%
Why You'll Like It: A complex engineering sandbox that requires players to build and operate vehicles in challenging environments.
- #21 Rodina
81% matchVery Positive93% of 1,333 reviews2014
Dev: Elliptic Games
Windows
Median: 2.9 hrsMean: 6.3 hrs≥1hr: 72%
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 44.5%, Space Sim 16%, Exploration 13.3%, Sandbox 11.4%, Open World 8.6%
Why You'll Like It: Features a seamless, physics-based exploration experience that captures the feeling of traversing vast, empty space.
- #22 Moonbase Alpha
80% matchVery Positive91% of 12,875 reviews2010
Dev: Virtual HeroesPub: NASA
Windows
Median: 54 minMean: 3.7 hrs≥1hr: 46%
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.
Why similar: Space 47.7%, Simulation 18.2%, Multiplayer 11.5%, Sandbox 7%, Co-op 4.9%
Why You'll Like It: A NASA-developed simulation that focuses on the realistic challenges of maintaining a lunar base.
- #23 The Invincible
78% matchVery Positive88% of 13,757 reviews2023
Dev: Starward IndustriesPub: 11 bit studios
Windows
Median: 4.2 hrsMean: 8.4 hrs≥1hr: 85%
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
Why similar: Science 38.3%, Space 36.4%, Futuristic 10.4%, Exploration 9.7%, First-Person 2.2%
Why You'll Like It: A hard sci-fi narrative game that focuses on the retro-futuristic exploration of alien worlds.
- #24 Liftoff®: FPV Drone Racing
78% matchOverwhelmingly Positive95% of 14,091 reviews2018
Dev: LuGus Studios
Windows · Mac · Linux
Median: 6.9 hrsMean: 25.4 hrs≥1hr: 86%
Liftoff® is a drone simulator that translates the rush of first-person view drone flight to the digital world. Join the biggest community for virtual FPV racing and freestyle!
Why similar: Simulation 26.8%, Science 18.8%, Education 14%, Multiplayer 13.3%, Realistic 13%
Why You'll Like It: Provides a high-fidelity flight physics simulation that mirrors the precision required for operating rovers and drones.
- #25 Solar Expanse - Space Exploration Manager
76% matchVery Positive87% of 1,372 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.6 hrsMean: 16.0 hrs≥1hr: 75%
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: Science 21.6%, Space 21.2%, Space Sim 16.7%, Simulation 8.8%, Sandbox 8.6%
- #26 FortressCraft Evolved!
79% matchMostly Positive72% of 3,066 reviews2015
Dev: ProjectorGamesPub: Digital Tribe
Windows · Mac · Linux
Median: 2.2 hrsMean: 13.5 hrs≥1hr: 72%
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Why similar: Building 25.2%, Sandbox 22.4%, Survival 19.4%, Simulation 14.7%, Multiplayer 9%
Why You'll Like It: A deep automation and base-building game that rewards technical planning and resource logistics.
- #27 Space Engineers 2
76% matchMostly Positive75% of 5,654 reviews2025
Dev: Keen Software House
Windows
Median: 2.0 hrsMean: 11.6 hrs≥1hr: 64%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Space 17.1%, Science 16%, Space Sim 12.4%, Building 9.6%, Survival 8.2%
- #28 Surviving Mars: Pioneer
75% matchVery Positive83% of 84 reviews2025
Dev: Bolverk GamesPub: Impact Inked
Windows
The Red Planet is vast, desolate, and utterly indifferent to your survival. Surviving Mars: Pioneer is the first made-for-VR entry in the Surviving Mars universe, challenging you to carve out an existence in one of the most hostile environments imaginable.
Why similar: Mars 41.9% ★, Space 17.5%, Space Sim 16.1%, Survival 8.3%, Simulation 6.3%
- #29 Mars Colony:Challenger
77% matchMixed65% of 119 reviews2014
Dev: HyperKat Games
Windows
Mars Colony: Challenger is a 3D first / third person game that offers you the challenge of setting up a remote base on the surface of Mars. At its core, the game was derived from a simulator where everything is interactively tied together.
Why similar: Mars 43.1% ★, Space 26.9%, Simulation 24.4%, Survival 4.2%, Adventure 1.3%
- #30 Juno: New Origins
73% matchVery Positive89% of 3,554 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.1 hrsMean: 13.6 hrs≥1hr: 52%
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: Science 19.3%, Space Sim 17.2%, Space 14.1%, Building 9.6%, Education 8%
- #31 StarbaseSim
73% matchVery Positive95% of 62 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 30.3%, Space 16.2%, Simulation 15.7%, Sandbox 13.5%, Education 10.1%
- #32 Surviving Mars: Relaunched
72% matchMixed56% of 2,513 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 13.2 hrsMean: 33.9 hrs≥1hr: 87%
The award-winning sci-fi city builder is back - remastered, expanded and even more stunning. Colonize Mars and survive the process, from exploration and infrastructure to welcoming colonists and achieving long-term stability. Are you ready? Mars is waiting.
Why similar: Mars 45.3% ★, Space 16.4%, Simulation 9.1%, Building 7.9%, Moddable 6.7%
- #33 Spaceflight Simulator
72% matchOverwhelmingly Positive97% of 9,809 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.3 hrs≥1hr: 83%
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 22.5%, Space 21.1%, Science 17.9%, Sandbox 10.3%, Simulation 9%
- #34 Rocket Science
74% matchVery Positive81% of 176 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: Science 18.2%, Space 17.8%, Space Sim 15.6%, Building 9.1%, Sandbox 7.6%
- #35 StarMade
74% matchMixed68% of 2,992 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
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!
Why similar: Space 36.4%, Sandbox 14.2%, Building 12.1%, Space Sim 10%, Multiplayer 7.3%
- #36 Star Rangers™ XE
75% matchMostly Negative40% of 153 reviews2016
Dev: Project Whitecard Studios Inc.Pub: Awestruck Games
Windows · Mac · Linux
Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.
Why similar: Mars 32.3% ★, Space 12.3%, Science 10.6%, Space Sim 9.4%, Simulation 7.8%
- #37 Unearthing Mars VR
73% matchMixed65% of 63 reviews2017
Dev: Light Era StudioPub: Skywalker HK
Windows
Unearthing Mars is a VR adventure game set on the mysterious Red Planet. Unearthing Mars provides hours of unique gameplay experiences, ranging from puzzle-solving to first-person shooting, the game will allow players to resolve challenges from a variety of game genres.
Why similar: Mars 74.7% ★, Simulation 23.1%, Adventure 2.2%
- #38 Moons of Madness
71% matchMostly Positive78% of 2,944 reviews2019
Dev: Rock Pocket GamesPub: Funcom
Windows
Median: 4.0 hrsMean: 5.6 hrs≥1hr: 91%
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
Why similar: Mars 47% ★, Space 22.9%, Science 13.4%, Survival 6.9%, Exploration 6.2%
- #39 Rover Builder
71% matchMixed68% of 82 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: Mars 40.1% ★, Science 18.4%, Space 15.8%, Building 9.7%, Sandbox 8.1%
- #40 The Planet Crafter: Prologue
68% matchOverwhelmingly Positive96% of 10,722 reviews2021
Dev: Miju Games
Windows
Median: 1.4 hrsMean: 3.9 hrs≥1hr: 56%
Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.
Why similar: Mars 34.9% ★, Space 13.4%, Survival 13%, Multiplayer 8.3%, Sandbox 8%
- #41 Space Mechanic Simulator: Prologue
70% 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: Mars 39% ★, Space Sim 15.3%, Space 13.3%, Science 8.7%, Simulation 7.4%
- #42 Space Mechanic Simulator
69% matchMixed63% of 122 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Median: 3.9 hrsMean: 16.6 hrs≥1hr: 84%
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: Mars 22.3% ★, Space 18.7%, Space Sim 18.6%, Science 17.9%, Simulation 8.7%
- #43 Archean
68% matchVery Positive88% of 252 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: Science 19.1%, Space Sim 16.5%, Space 16.5%, Building 9.6%, Sandbox 8.1%
- #44 Starship EVO
69% matchVery Positive83% of 1,546 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 59%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space 30.5%, Building 16.7%, Space Sim 15.4%, Simulation 14.5%, Sandbox 11.2%
- #45 ΔV: Rings of Saturn
67% matchVery Positive92% of 3,475 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.8 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 25.7%, Science 21.3%, Space Sim 20.7%, Simulation 7.9%, Exploration 7.8%
- #46 Mars Odyssey
71% matchMostly Positive76% of 51 reviews2016
Dev: Steel Wool Studios
Windows
Mars Odyssey is a single player VR simulator experience. Land on Earth’s sister planet. Walk the surface of Mars in your living room and interact with full-scale, realistic NASA Landers and Rovers. Learn about the Red Planet, its history, and its geography in this interactive experience. Play time: 20 min.
Why similar: Mars 77% ★, Simulation 23%
- #47 Star Trucker
66% matchMostly Positive78% of 5,396 reviews2024
Dev: Monster and MonsterPub: Raw Fury
Windows
Median: 3.3 hrsMean: 13.1 hrs≥1hr: 78%
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
Why similar: Space Sim 22.1%, Space 21.4%, Simulation 9.5%, Moddable 8.8%, Survival 8.1%
- #48 Utopia Colony
67% matchMixed65% of 113 reviews2026
Dev: GridSky StudiosPub: Geelix Entertainment
Windows
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
Why similar: Mars 50.1% ★, Space 19%, Space Sim 16%, Simulation 6.2%, Exploration 5.1%
- #49 Blossom: The Seed of Life
64% matchVery Positive88% of 1,126 reviews2026
Dev: Pebbledust GamesPub: Pretty Soon
Windows
Median: 6.9 hrsMean: 12.8 hrs≥1hr: 84%
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
Why similar: Mars 47.7% ★, Space Sim 15.4%, Building 8.1%, Sandbox 6.9%, Survival 6.7%
- #50 REAL MOON
66% matchMixed68% of 116 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 33.1%, Space 26.8%, Simulation 22.2%, Exploration 10.9%, Open World 5.5%
- #51 Solargene
65% matchMostly Positive76% of 855 reviews2026
Dev: Alexander Semenov
Windows
Median: 4.2 hrsMean: 33.9 hrs≥1hr: 70%
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Why similar: Mars 27.5% ★, Space Sim 21%, Space 16%, Building 10%, Sandbox 8.5%
- #52 Reshaping Mars
66% matchVery Positive84% of 834 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: Mars 47.2% ★, Space 18.4%, Building 11.9%, Simulation 11.2%, Exploration 7%
