- #1 PULSAR: Lost Colony
97% matchVery Positive90% of 5,694 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.8 hrs≥1hr: 88%
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Why similar: Space Sim 21.1% ★, Space 15.3%, Open World 11.9%, Online Co-Op 10.2%, Sci-fi 9.8%
Why You'll Like It: Offers a cooperative ship-management experience where players explore detailed starships and work together to operate systems.
- #2 Void Crew
96% matchVery Positive87% of 8,134 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.0 hrsMean: 16.4 hrs≥1hr: 94%
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Why similar: Space Sim 26.7% ★, Space 15.6%, Flight 12.6%, Multiplayer 12.5%, Online Co-Op 11.9%
Why You'll Like It: Focuses on cooperative ship operations and exploration in a sci-fi setting that mirrors the crew-based dynamics of the Orville.
- #3 SpaceEngine
95% matchOverwhelmingly Positive96% of 14,936 reviews2019
Dev: Cosmographic Software
Windows
Median: 2.1 hrsMean: 47.7 hrs≥1hr: 66%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Flight 17%, Space Sim 15.9% ★, Space 14.9%, Sandbox 14.6%, Open World 12.8%
Why You'll Like It: Allows for unparalleled exploration of the universe, perfect for players who enjoy the scale and wonder of space travel.
- #4 Elite Dangerous
94% matchMostly Positive77% of 105,113 reviews2015
Dev: Frontier Developments
Windows
Median: 18.4 hrsMean: 146.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 28.9% ★, Space 22%, Open World 14.1%, Sci-fi 10.3%, Sandbox 7.6%
Why You'll Like It: Provides a vast, open-world space experience with a focus on ship piloting and realistic exploration.
- #5 Tacoma
94% matchVery Positive86% of 4,721 reviews2017
Dev: Fullbright
Windows · Mac · Linux
Median: 3.7 hrsMean: 4.5 hrs≥1hr: 92%
Tacoma is a sci-fi narrative adventure from the creators of Gone Home. Set aboard a high-tech space station in the year 2088, explore every detail of how the station’s crew lived and worked, finding the clues that add up to a gripping story of trust, fear, and resolve in the face of disaster.
Why similar: Space 45.7%, Sci-fi 35.5%, First-Person 17%, Casual 1.8%
Why You'll Like It: A narrative-driven exploration game set on a space station that emphasizes environmental storytelling and detailed interiors.
- #6 Starship EVO
93% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
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 28.9%, Sandbox 22.5%, Space Sim 18.5% ★, Sci-fi 11.3%, Open World 11.1%
Why You'll Like It: Combines ship building with exploration, allowing players to create and walk through their own custom vessels.
- #7 Observation
92% matchMostly Positive78% of 5,063 reviews2020
Dev: No CodePub: Devolver Digital
Windows
Median: 3.7 hrsMean: 5.0 hrs≥1hr: 85%
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.
Why similar: Space 58.6%, Sci-fi 37.3%, First-Person 4.1%
Why You'll Like It: Features a unique perspective on space station exploration with a heavy focus on atmosphere and ship-wide interaction.
- #8 Prey
91% matchVery Positive91% of 53,291 reviews2017
Dev: Arkane StudiosPub: Bethesda Softworks
Windows
Median: 7.0 hrsMean: 27.2 hrs≥1hr: 90%
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
Why similar: Space 31.6%, Sci-fi 26.3%, FPS 20.2%, First-Person 11.4%, Open World 10.4%
Why You'll Like It: An immersive sim set on a massive, highly detailed space station that rewards exploration and environmental interaction.
- #9 Barotrauma
90% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 hrs≥1hr: 91%
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Why similar: Multiplayer 59.2%, Sci-fi 40.8%
Why You'll Like It: A complex submarine simulation that captures the tension and teamwork required to maintain a vessel in a hostile environment.
- #10 Alien: Isolation
91% matchVery Positive93% of 64,460 reviews2014
Dev: Creative AssemblyPub: SEGA
Windows · Mac · Linux
Median: 4.8 hrsMean: 16.8 hrs≥1hr: 82%
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
Why similar: Space 39.4%, Sci-fi 32.8%, First-Person 17.7%, FPS 10.1%
Why You'll Like It: Renowned for its painstaking recreation of the Nostromo, offering an unparalleled level of ship-based atmospheric detail.
- #11 Starbase
89% matchMixed56% of 6,702 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 23.9% ★, Space 16.7%, Sandbox 15.7%, Open World 14.9%, Sci-fi 10%
Why You'll Like It: A massive sandbox that allows for detailed ship construction and exploration in a multiplayer space environment.
- #12 Astrox Imperium
89% matchVery Positive85% of 1,210 reviews2019
Dev: Jace Masula
Windows
Median: 4.2 hrsMean: 16.4 hrs≥1hr: 67%
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.
Why similar: Space 34.5%, Space Sim 25.9% ★, Sandbox 18.5%, Open World 12.9%, Sci-fi 8.2%
Why You'll Like It: A space-sim that emphasizes exploration and ship customization in a vast, open universe.
- #13 Universe Sandbox
87% 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: Space 28.5%, Sandbox 28.3%, Space Sim 14.7% ★, Realistic 10.8%, Open World 8.3%
Why You'll Like It: Provides a scientific and physics-based look at the cosmos, perfect for fans of space-themed simulations.
- #14 Evochron Legacy SE
88% matchVery Positive83% of 440 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 61%
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Why similar: Space Sim 24.6% ★, Space 17.7%, Sandbox 14.6%, Open World 11.3%, Sci-fi 9.9%
Why You'll Like It: A space-sim that prioritizes realistic flight and exploration mechanics for a dedicated pilot experience.
- #15 The Expanse: A Telltale Series
86% matchMostly Positive76% of 2,659 reviews2023
Dev: Deck NinePub: Telltale
Windows
Median: 5.7 hrsMean: 6.0 hrs≥1hr: 76%
Take on the role of Camina Drummer and explore the dangerous, uncharted edges of the Belt. From scavenging wrecked ships in a zero-g environment, to combating fearsome pirates, you make the difficult choices in this latest Telltale adventure. All five episodes playable at launch!
Why similar: Space 42.7%, Sci-fi 29%, Third Person 20.9%, 3D 7.3%
Why You'll Like It: Focuses on narrative exploration within the confined, realistic setting of a spaceship crew.
- #16 SOMA
84% matchOverwhelmingly Positive96% of 50,500 reviews2015
Dev: Frictional Games
Windows · Mac · Linux
Median: 5.6 hrsMean: 10.2 hrs≥1hr: 89%
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
Why similar: Sci-fi 61.4%, First-Person 38.6%
Why You'll Like It: Delivers a deeply atmospheric sci-fi exploration experience with a focus on environmental storytelling.
- #17 Wayward Terran Frontier: Zero Falls
86% matchMixed68% of 536 reviews2016
Dev: Reason Generator Inc.
Windows
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Why similar: Space Sim 29.6% ★, Sandbox 21.3%, Space 20.3%, Open World 17.6%, Sci-fi 11.2%
Why You'll Like It: Features a deep ship-building system where players can walk through their own creations in a space-sim setting.
- #18 Kerbal Space Program 2
85% 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 21.7%, Space Sim 20.8% ★, Sandbox 20%, Open World 12.7%, Realistic 9.7%
Why You'll Like It: Focuses on the physics and engineering of space travel, allowing for creative ship design and exploration.
- #19 Avorion
84% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Flight 20.2%, Space Sim 19.6% ★, Space 15%, Sandbox 14.6%, Open World 10.6%
Why You'll Like It: A sandbox space game that allows players to build their own ships block-by-block and explore the galaxy.
- #20 Hardspace: Shipbreaker
83% matchVery Positive89% of 21,702 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 23.9 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 30.5%, Sandbox 19.4%, Space Sim 19.2% ★, Sci-fi 18.4%, First-Person 7.4%
Why You'll Like It: Offers a granular look at ship interiors, focusing on the technical and structural aspects of space vessels.
- #21 Subnautica
82% matchOverwhelmingly Positive97% of 344,093 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.4 hrsMean: 40.0 hrs≥1hr: 90%
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Why similar: Open World 33.7%, Sandbox 20.8%, Sci-fi 17.1%, Multiplayer 15%, First-Person 13.4%
Why You'll Like It: While set on an alien planet, it captures the same sense of wonder and base-building exploration found in sci-fi ship games.
- #22 Rocket Science
82% 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: Flight 21.4%, Space Sim 19.6% ★, Space 18.2%, Sandbox 16.2%, Open World 10.2%
Why You'll Like It: Focuses on the sandbox and building aspects of space exploration with a heavy emphasis on physics.
- #23 ISS Simulator
80% matchMostly Positive78% of 91 reviews2024
Dev: Spacedata.incPub: 株式会社スペースデータ
Windows
The ultimate space simulator game, precisely modeling the space and space environment inside the International Space Station (ISS).
Why similar: Space Sim 34.2% ★, Space 13.9%, Cinematic 12.1%, Third Person 10.2%, Realistic 10%
Why You'll Like It: Provides a realistic, walking-simulator style experience of exploring the International Space Station.
- #24 Celestial Command
81% 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 39.1%, Sandbox 23.6%, Space Sim 19% ★, Sci-fi 12.6%, Open World 5.7%
Why You'll Like It: A physics-based space game that allows for complex ship construction and orbital mechanics.
- #25 VoidExpanse
81% matchMostly Positive71% of 760 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Why similar: Space 34.6%, Sandbox 17.8%, Open World 16.7%, Sci-fi 13.8%, Character Customization 9.8%
Why You'll Like It: An open-world space RPG that focuses on exploration, trading, and ship progression.
- #26 WebbVR: The James Webb Space Telescope Virtual Experience
79% matchVery Positive90% of 70 reviews2018
Dev: Space Telescope Science Institute
Windows
Join the James Webb Space Telescope in orbit beyond the Moon and explore the universe from its perspective. Planetary systems are born, galaxies form, and stars emerge from within colorful nebulas—all before your eyes.
Why similar: Space Sim 45.6% ★, Space 36.2%, Casual 18.3%
Why You'll Like It: A casual, educational exploration experience that highlights the wonder of space-based technology.
- #27 StarbaseSim
77% 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: Flight 21.5%, Space Sim 20.1% ★, Sandbox 15.3%, Space 8.8%, Realistic 8.1%
- #28 Ship Simulator Realistic
79% matchMixed58% of 78 reviews2022
Dev: Gregory Nikolaidis
Windows
Ship Simulator Realistic experience the real simulation. The game will be based on a free roam aspect to explore the Greece Scenery in a physics based game , realistic handling and many more features.
Why similar: Open World 45%, Casual 32.6%, 3D 22.4%
Why You'll Like It: Focuses on the exploration and operation of vessels, providing a grounded experience for simulation fans.
- #29 Flight Of Nova
77% matchVery Positive94% of 513 reviews2022
Dev: Aerovery Lab
Windows · Linux
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
Why similar: Flight 21.2%, Space Sim 18.2% ★, 6DOF 15.9% ★, Sandbox 9.2%, Sci-fi 8.9%
- #30 Captain Hardcore
76% matchVery Positive84% of 132 reviews2026
Dev: AntiZero Games
Windows
Board your ship and explore a universe built for sexual experimentation, creativity, and complete freedom. Build your crew, customize every detail of their bodies and outfits, and use your ship’s advanced systems to create, control, and replay your own scenes - all in the name of science!
Why similar: 6DOF 23.6% ★, Space 16.5%, Sandbox 16.3%, Character Customization 13%, FPS 12.1%
- #31 Underspace
76% matchVery Positive82% of 431 reviews2024
Dev: Pastaspace InteractivePub: Camlann Games
Windows
Median: 36 minMean: 5.3 hrs≥1hr: 42%
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with Day 1 mod support and a planned PvP/co-op multiplayer on the Early Access roadmap. You're going to need a bigger ship.
Why similar: Flight 20.7%, Space Sim 15% ★, 6DOF 14.3% ★, Space 12.7%, Sandbox 10.4%
- #32 Spaceflight Simulator
73% 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 33.3% ★, Sandbox 26%, Space 25.8%, Open World 6.8%, Realistic 5.9%
- #33 Cyber Car
75% matchMixed60% of 90 reviews2022
Dev: Cyber Car Industries
Windows
Feel yourself in a futuristic world piloting ships through incredible scenery! Made for VR, Cyber Car will undoubtedly be a relaxing and immersive experience. Put your problems aside, and come ride and enjoy the best virtual reality experience ever made!
Why similar: Flight 29.4%, 6DOF 26.4% ★, Space Sim 16.8% ★, Open World 9.4%, Multiplayer 6.6%
- #34 Pyroworks
71% matchVery Positive92% of 2,044 reviews2023
Dev: Deepest Inertia Studio
Windows
Pyroworks is a free-to-play online multiplayer game containing fireworks from real-life companies from all over the globe. You can choose to make your own show, cause destruction and chaos or simulate new years. Don't miss out on playing with your friends - the most fun part.
Why similar: Sandbox 32.4%, Multiplayer 19.7%, Open World 15.4%, Realistic 11.9%, First-Person 11.3%
- #35 StarMade
74% matchMixed68% of 2,981 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 29.7%, Sandbox 24.1%, Open World 15.2%, Multiplayer 10.7%, Sci-fi 10.3%
- #36 Kinetic Void
75% 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 46%, Sandbox 22.8%, Sci-fi 14.9%, Space Sim 12.2% ★, Open World 4%
- #37 Angels Fall First
72% matchVery Positive82% of 2,786 reviews2015
Dev: Strangely Interactive Ltd
Windows
Median: 1.6 hrsMean: 5.9 hrs≥1hr: 62%
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!
Why similar: Space 29.6%, FPS 24.3%, Sci-fi 21%, Multiplayer 17.4%, First-Person 7.8%
- #38 QANGA
70% matchMostly Positive75% of 553 reviews2024
Dev: iolaCorp Studio
Windows
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLabs Industries, and journey through this expansive universe!
Why similar: Space Sim 18.2% ★, Space 14.5%, Sandbox 12.7%, Realistic 11.2%, Third Person 10.9%
- #39 Pancake Sailor
71% matchVery Positive84% of 185 reviews2020
Dev: MarineVerse
Windows · Mac
Relaxing sailing experience. Discover Akalana Islands.
Why similar: Sandbox 22%, Online Co-Op 21.2%, Multiplayer 14.5%, Third Person 11.9%, Open World 10.6%
- #40 Archean
69% 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 18.6% ★, 6DOF 16.9% ★, Sandbox 15.4%, Space 15.1%, Open World 11.5%
- #41 Unreal Physics
69% matchMostly Positive74% of 221 reviews2024
Dev: Jilted Generation Productions
Windows
Unreal Physics is a exploration of in-game physics like never before, this dynamic 3D sandbox features a mesmerizing collection of demos, showcasing stunning visuals and realistic simulations. It's a playground of endless possibilities where creativity meets the cutting edge of physics technology
Why similar: Sandbox 27.6%, Third-Person Shooter 26.2%, Realistic 14.8%, Third Person 10.7%, First-Person 9.3%
- #42 Star Trek Online
69% matchMostly Positive79% of 20,893 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 132.7 hrs≥1hr: 84%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: Space 30.8%, Sci-fi 21.4%, Open World 13.8%, Character Customization 11.6%, Multiplayer 9.5%
- #43 Finnish Cottage Simulator
66% matchVery Positive93% of 3,294 reviews2024
Dev: RANELA GAMES
Windows
Median: 4.5 hrsMean: 11.4 hrs≥1hr: 88%
Finnish Cottage Simulator is the ultimate cottage experience. Relax and enjoy the Finnish summer nature, go to the sauna, get drunk, grill food or play games with others!
Why similar: Online Co-Op 19.8%, Open World 15.3%, Multiplayer 14.6%, Realistic 13.7%, Sandbox 13.6%
- #44 REAL MOON
67% matchMixed68% of 112 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 40.6% ★, Space 26.9%, Third Person 16.3%, Open World 16.2%
- #45 Evochron Mercenary
70% matchMostly Positive77% of 434 reviews2012
Dev: StarWraith 3D Games LLC
Windows
Median: 2.7 hrsMean: 6.8 hrs≥1hr: 73%
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Why similar: Space 29.1%, Space Sim 19.9% ★, Sandbox 12.7%, Flight 11.6%, Open World 10.7%
- #46 Titanic: The Experience
71% matchMixed56% of 320 reviews2017
Dev: Interactive Gaming Studios
Windows
Experience the Titanic in all of its glory, witness the iceberg collision and the sinking of the most famous ocean liner. Relive that fateful night on April 14th 1912 and experience what that night was like.
Why similar: Realistic 32.8%, First-Person 25.3%, Multiplayer 15.8%, 3D 13.6%, Casual 12.5%
- #47 Nebula Realms
70% matchMostly Negative39% of 80 reviews2022
Dev: Xaloc Studios S.L.
Windows
Welcome to Nebula Realms! Enjoy your stay in this free to play online 3D interactive world. Socialize, meet new people and become friends. Express your inner self through your fully customizable avatar and your own decorated home, play games and explore this wonderful handcrafted universe.
Why similar: Multiplayer 20.4%, Character Customization 20%, Realistic 18.7%, Third Person 16.7%, Open World 10.3%
- #48 Hazeron Starship
67% matchVery Positive84% of 104 reviews2023
Dev: Hazeron Freehold LLC
Windows · Linux
Explore and colonize a vast universe. Discover resources. Build cities. Make spacecraft. Walk aboard them. Operate their controls. Command a crew of NPCs. Lift off. Fly up through the atmosphere to outer space. Land on other worlds, anywhere, not at designated places. Build an empire.
Why similar: Flight 37%, Sandbox 21.8%, Space 20.6%, FPS 20.5%
- #49 Interstellar Rift
68% matchMixed68% of 1,655 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.2 hrs≥1hr: 83%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space Sim 27.1% ★, Sandbox 18.1%, Space 17.3%, Open World 15.1%, Sci-fi 10.5%
- #50 Ship Explorer
65% matchVery Positive82% of 118 reviews2025
Dev: Turbine Room StudioPub: Seabank Digital Productions
Windows
You know their stories. Now it's time to step aboard! Board iconic ocean liner and warships from history like SS United States, Morro Castle and more as you explore and learn about the secrets that made them into legends.
Why similar: Sandbox 40.3%, Realistic 20.4%, First-Person 15.3%, Third Person 14.9%, 3D 9.1%
- #51 Interstellar Pilot 2
66% 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 30.2% ★, Sandbox 24.7%, Space 18.3%, Open World 11.5%, Sci-fi 10.8%
- #52 Rec Room
64% matchVery Positive89% of 75,175 reviews2021
Dev: Rec Room
Windows
Median: 2.1 hrsMean: 16.9 hrs≥1hr: 68%
Rec Room is the best place to build and play games together. Party up with friends from all around the world to chat, hang out, explore MILLIONS of player-created rooms, or build something new and amazing to share with us all.
Why similar: Multiplayer 24.1%, Online Co-Op 23.6%, Sandbox 19.6%, Character Customization 13.1%, First-Person 11.1%
- #53 Space Battle VR
68% matchMixed67% of 99 reviews2018
Dev: Raba Games
Windows
Space Battle VR is an action shooter set in space. It supports VR controllers to give you a real feel how it is to be a spaceship pilot. You can truly feel the cosmos with this game. Jump into an awesome adventure, help mankind, win a war, bring freedom and happiness to the universe. People need you!
Why similar: Flight 22.1%, Space Sim 18.8% ★, Space 16.8%, Sci-fi 10.4%, Open World 10.1%
