- #1 X2: The Threat
97% matchVery Positive83% of 522 reviews2006
Dev: Egosoft
Windows
Median: 24 minMean: 7.4 hrs≥1hr: 35%
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Why similar: Space 21.3%, Space Sim 20.6%, Trading 14%, Sandbox 8.4%, Open World 8.1%
- #2 Univoyager
96% matchNo user reviews2026
Dev: Damiano VitulliPub: Neondev Sas
Windows
Experience a 1:1 scale, procedurally generated universe with seamless exploration from planets to stars. Journey across the cosmos with zero loading screens and realistic Newtonian physics. Trade, fight, and survive in a post-apocalyptic galaxy where gravity is your only boundary.
Why similar: Space Sim 26.2%, 6DOF 15.2% ★, Flight 14%, Space 9.2%, Open World 8.4%
- #3 X: Beyond the Frontier
96% matchMostly Positive75% of 388 reviews2010
Dev: Egosoft
Windows
Median: 30 minMean: 5.0 hrs≥1hr: 39%
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.
Why similar: Space Sim 21.7%, Space 19.2%, Trading 16.2%, Simulation 7.8%, Sandbox 7.4%
- #4 Sylph
94% matchMostly Positive71% of 14 reviews2026
Dev: Softmax Foundries
Windows
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
Why similar: Space Sim 26.4%, Flight 20.4%, Space 11.3%, 6DOF 9.1% ★, Sci-fi 5.7%
- #5 X3: Reunion
95% matchMostly Positive72% of 728 reviews2006
Dev: Egosoft
Windows · Mac · Linux
Median: 36 minMean: 8.8 hrs≥1hr: 41%
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
Why similar: Space Sim 25.7%, Space 21.3%, Sandbox 9.7%, Trading 9.2%, Flight 8.7%
- #6 Verse Project
94% matchNo user reviews
Dev: Synthes Games
Windows
In this multiplayer game you have to explore the Solar System in real scale. Control spaceships of the near future, explore planets, moons and asteroids, mine resources, fight for space domination and build the future of the universe.
Why similar: Space Sim 20.8%, Trading 13%, Flight 11.4%, Space 10.9%, Sandbox 9%
- #7 X3: Terran Conflict
93% matchVery Positive85% of 2,848 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 32.1 hrs≥1hr: 51%
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
Why similar: Space 24.6%, Space Sim 21.2%, Trading 14.4%, Sandbox 10.6%, Open World 7.6%
- #8 StellarDrive
92% matchNo user reviews
Dev: Curious Owl Games
Windows · Linux
Mine resources, build your spaceship, and soar through the skies in this immersive space sandbox. Wire complex machinery to survive the elements, and craft the StellarDrive: a powerful engine that lets you travel faster than light.
Why similar: Space Sim 19%, Flight 16%, Space 16%, Sandbox 12.1%, Immersive 9.2% ★
- #9 Capital Command
91% matchNo user reviews2026
Dev: Hellride GamesPub: Hooded Horse
Windows
Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.
Why similar: Space Sim 22%, Trading 15.5%, Flight 12.2%, Space 11.2%, Sandbox 8.8%
- #10 Flight Of Nova
91% matchVery Positive94% of 525 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: Space Sim 23.8%, Flight 15.8%, 6DOF 14.7% ★, Open World 7.5%, Sandbox 6.9%
- #11 Space Docker VR
90% matchVery Positive95% of 152 reviews2021
Dev: Cat Commandos
Windows
Median: 2.2 hrsMean: 4.9 hrs≥1hr: 79%
A hardcore flight simulator for VR! Get in the cockpit, pilot a ship, and navigate hazardous environments on a journey to become an expert docker!
Why similar: Space Sim 23.5%, Flight 18.5%, 6DOF 15.8% ★, Space 14.2%, Immersive Sim 7.6%
- #12 9.8
89% matchNo user reviews2027
Dev: Tremoço Games
Windows
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 21.5%, Flight 17.2%, Space 16.7%, Sandbox 9.7%, Simulation 8.6%
- #13 Evochron Legacy SE
89% matchVery Positive83% of 442 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.5 hrsMean: 6.8 hrs≥1hr: 60%
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 28.9%, Trading 17.1%, Space 12.9%, Sandbox 9.7%, Open World 9.1%
- #14 Elite Dangerous
87% matchMostly Positive77% of 105,919 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 147.5 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 36.7%, Space 17.4%, Open World 12.2%, Trading 8.2%, Sci-fi 5.8%
- #15 Evochron Mercenary
88% 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 Sim 26.3%, Space 24%, Open World 9.7%, Sandbox 9.5%, Flight 8.7%
- #16 Space Hauler
86% matchNo user reviews2027
Dev: 94 Kelvin
Windows
Space Hauler is a space flight sim set around Saturn's largest moon, Titan. Fly your spacecraft using realistic aerodynamics and orbital mechanics, take on contracts, and build your career as a pilot-for-hire.
Why similar: Space Sim 31.2%, Flight 17.8%, Space 8.7%, Open World 8.1%, Immersive Sim 7.3%
- #17 Drifter
86% matchMixed54% of 208 reviews2014
Dev: Celsius Game Studios
Windows · Mac · Linux
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
Why similar: Space Sim 20.8%, Space 20.2%, Trading 16.8%, Sandbox 15.1%, Open World 10.9%
- #18 X4: Foundations
85% matchMostly Positive80% of 28,557 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.7 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space Sim 20.8%, Trading 15.4%, Flight 12.5%, Space 11.2%, Sandbox 8.6%
- #19 Final Orbit
84% matchNo user reviews2026
Dev: Bad Sector
Windows
Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.
Why similar: Space Sim 22.8%, Space 14.4%, Sandbox 13.6%, Open World 12.1%, Flight 11.3%
- #20 Stardust Origins
84% matchMostly Positive73% of 22 reviews2022
Dev: Nikolaj Piet PaghPub: PetskullGames
Windows
You are a pilot, seeking revenge on your deceitful father who threw you into unknown space. Can you find your way back and get revenge? Experience a mix of 2D topdown space adventure and explore planets to discover quests, negotiate trades, mine, hunt and survive in an expanding universe.
Why similar: Space Sim 24.4%, Trading 20.7%, Space 17.3%, Open World 11.6%, Sci-fi 5.8%
- #21 Star Spectre
83% matchNo user reviews
Dev: Skulbowl Studio
Windows
Star Spectre is a single player space combat game with tons of exploration and numerous RPG elements. You will be free to explore and trade, as well as fight in a vast galaxy.
Why similar: Space Sim 23.4%, Trading 18.6%, Flight 15.8%, Space 12.1%, 6DOF 10.2% ★
- #22 StarbaseSim
82% 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 30.3%, Flight 18.5%, Sandbox 13.1%, Space 8.3%, Immersive Sim 7.8%
- #23 Endless Sky
82% matchVery Positive92% of 7,005 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 30.5%, Space Sim 17.8%, Trading 15.5%, Open World 13.2%, Sci-fi 6.7%
- #24 Starlight Brigade
81% matchNo user reviews2026
Dev: Spacemarine658
Windows · Linux
Starlight Brigade is a realistic space action-adventure game with a precise combat system and full 6DOF controls. You command the Wayfarer, an aging light cruiser centuries past her time. Plot missile salvos, hunt down your enemy, design munitions, manage your crew, and send engineers to fix damage.
Why similar: Space Sim 24.7%, Flight 19%, Space 13.9%, Sandbox 12.1%, Immersive Sim 8.2%
- #25 Blackstar Ranger
80% matchNo user reviews2026
Dev: Vandal Gameworx
Windows
Blackstar Ranger is a high-octane and immersive first-person space shooter. From the seat of your advanced fighter, you will complete contracts for BLACKSTAR, the most esteemed Private Military Faction in the solar system. With 6DOF capability, you will battle threats throughout the system.
Why similar: Space Sim 28.2%, Flight 20.9%, 6DOF 13.6% ★, Space 9.5%, Immersive Sim 9.4%
- #26 Space Battle VR
81% matchMixed66% of 100 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: Space Sim 24.9%, Flight 16.7%, Space 13.9%, Open World 9.2%, Sandbox 7.1%
- #27 No End
79% matchNo user reviews
Dev: Thomas Martin
Windows
Explore a seamless endless universe with an uncountable number of galaxies, stars, planets, and moons. Make friends or enemies with unique alien civilizations. Research upgrades for your vessel with scientific phenomena and alien tech that you've acquired.
Why similar: Space Sim 32.7%, Sandbox 12.7%, Open World 12.5%, Space 11.7%, Flight 11.1%
- #28 Scraponauts
79% matchNo user reviews
Dev: AriaMakesGames
Windows
You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.
Why similar: Space Sim 31.4%, Flight 16.9%, Space 14.5%, Sandbox 12.6%, Sci-fi 5.7%
- #29 Exploration: Light
78% matchNo user reviews
Dev: Rednax
Windows
Experience large space ship battles. Uncover the secrets of the mysterious alien race. Upgrade your ship or even start a fleet. Survive
Why similar: Space Sim 30.1%, Trading 17%, Flight 12.8%, Open World 12.6%, Space 10.3%
- #30 Space Mercs
78% matchMixed63% of 49 reviews2019
Dev: Bearded Giant Games
Windows · Linux
Space Mercs is an extreme arcade space combat game where the amount of projectiles and lasers on-screen is only toppled by the amount of stars in the universe! Will you be able to complete all the mercenary missions and become the best pilot in the Galaxy?
Why similar: Space Sim 30.1%, 6DOF 17.7% ★, Flight 16.9%, Space 13.8%, Sci-fi 6.7%
- #31 Low Earth Orbit Adventures
77% matchNo user reviews2026
Dev: Classyk Games
Windows · Mac · Linux
Low Earth Orbit Adventures is a chill space sim set in the near future where the space around Earth has become a frontier of science, commerce and diplomacy. Retrieve the Hubble, rescue astronauts, assemble space stations and many other missions in this realistic but friendly adventure.
Why similar: Space Sim 37.6%, Flight 17.3%, 6DOF 9.6% ★, Physics 9.3%, Space 8.7%
- #32 Course Correction
77% matchNo user reviews
Dev: House 13 Games
Windows
Realistic space flight simulator.
Why similar: Space Sim 27.1%, Flight 18.1%, Space 14.5%, Sandbox 9.1%, Sci-fi 5.6%
- #33 Between the Stars
75% matchMostly Positive75% of 2,444 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.8 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space Sim 30.4%, Space 23.5%, Sandbox 9.1%, Strategy 7.2%, Simulation 6.6%
- #34 Galactic Federation
76% match3 user reviews33% of 3 reviews2021
Dev: Radivoj Radivojevic
Windows
Classical 3D space combat simulation with unique 100% dynamic destruction engine, allows you to realistically damage and burn through your enemies exactly where you hit them with blasters, causing their onboard systems and armor to melt away and fall apart. Made by solo developer.
Why similar: Space Sim 30.5%, 6DOF 21.9% ★, Flight 14.7%, Space 9.2%, Physics 8%
- #35 AESOS
75% matchNo user reviews
Dev: SF Factory
Windows
Lead a spaceyard: juggle contracts, design, prototype, and build all types of ships—from single-seat fighters to giant cruisers. Create custom vessels to meet precise client specs, then take the helm yourself to prove their worth.
Why similar: Space Sim 31.4%, Space 17.9%, Flight 13.1%, Sandbox 10.5%, Physics 8.5%
- #36 Helium Rain
76% matchMostly Positive79% of 332 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.6 hrs≥1hr: 73%
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Why similar: Space Sim 44.9%, Space 21.6%, Trading 12.5%, Strategy 8%, Simulation 7.4%
- #37 Stellar Trader
74% matchNo user reviews
Dev: ParaVerseLabPub: Spiral Up Games
Windows
See the galaxy through the eyes of a trader. Hundreds of years after humanity took to the stars, you're free to buy, fight, explore, and build your way to power. Shape economies, form alliances, and influence the systems that control trade, tech, and politics.
Why similar: Space Sim 28.4%, Trading 21.6%, Space 15.1%, Flight 13.6%, Strategy 5.6%
- #38 Interstellar Pilot 2
73% matchVery Positive91% of 155 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 33.8%, Sandbox 15.7%, Space 12.8%, Strategy 11.2%, Simulation 9.5%
- #39 Solara: Starlight Horizon
74% matchNo user reviews
Dev: CYBERPOOCH STUDIOS LLC
Windows
In Solara: Starlight Horizon fight, explore, trade, smuggle contraband, mine, craft, and undertake missions to gain favor with various factions throughout the universe. Earn credits, upgrade your ship, purchase new spacecraft, and explore a sci fi sandbox solo or with a group of friends
Why similar: Space Sim 24.5%, 6DOF 21.4% ★, Flight 16%, Space 11.7%, Sandbox 6.3%
- #40 Space Travellers
72% matchNo user reviews
Dev: Lonely Man
Windows
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
Why similar: Space Sim 32.4%, Space 14.8%, Sandbox 11%, Open World 10.9%, Immersive Sim 7.3%
- #41 Underspace
71% matchVery Positive81% of 442 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: Space Sim 23.4%, Flight 18.4%, 6DOF 15.6% ★, Space 12.4%, Sandbox 9.2%
- #42 Asteroid Rodeo
72% matchNo user reviews2026
Dev: Buried Signal Studios
Windows · Mac · Linux
Asteroids are worth trillions. They're also spinning at 200 meters per second. You are a Wrangler—harpoon tumbling rocks, wrestle them to a dead stop with your custom-built ship, and mine them for credits. The pay is good. The survival rate is a conversation people avoid.
Why similar: Space Sim 23.6%, Trading 15.6%, 6DOF 13.3% ★, Sandbox 10.9%, Space 9.2%
- #43 Wayward Terran Frontier: Zero Falls
73% matchMixed68% of 537 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 31.3%, Trading 14.7%, Space 13.4%, Sandbox 12.8%, Open World 12.7%
- #44 Spaceflight Simulator 2
71% matchNo user reviews
Dev: Team Curiosity ✦
Windows · Mac
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 33.4%, Flight 15.8%, Sandbox 12.6%, Space 11.6%, Open World 7.2%
- #45 X Rebirth
73% matchMixed44% of 7,309 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.2 hrs≥1hr: 88%
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Why similar: Space 30.4%, Space Sim 24.3%, Simulation 10.3%, Sandbox 9.6%, Sci-fi 9.4%
- #46 Rodina
71% 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 27.4%, Space Sim 19.3%, Open World 16.7%, Sandbox 13.2%, Exploration 9.7%
- #47 Project Horizon
69% matchNo user reviews2026
Dev: Radvok Studios LLC
Windows · Linux
Project Horizon is a 1-4 player co-op first-person spaceship simulator where the entire crew needs to work together to carefully maintain the nuclear reactor, take up arms against enemy ships, and repair every leak and faulty electrical panel to survive.
Why similar: Space Sim 31.9%, Flight 19.6%, 6DOF 18.5% ★, Immersive Sim 8.2%, Simulation 6%
- #48 Thrust & Shoot : Flight School
70% matchMixed61% of 18 reviews2018
Dev: Hellride Games
Windows
Master a new way to fly and fight. Control every movement and engine burn. Simple controls, realistic flight: a game for space fans by a space fan.
Why similar: Space Sim 31.6%, 6DOF 23.6% ★, Space 10.6%, Flight 8%, Physics 7.5%
- #49 Packet Loss
69% matchNo user reviews
Dev: HaugPackets
Windows
Pilot cargo across an assigned sector. Master near-realistic flight, use ground effect for fuel, and perfectly balance your cargo or lose it to gravity. Precision is key in this aerial ballet of flight and cargo!
Why similar: Flight 19%, Space Sim 18.6%, Trading 14.9%, Space 10.3%, Sandbox 10.3%
- #50 Evolution of a Mini World: Physics Wonderland
70% match6 user reviews50% of 6 reviews2021
Dev: William at Oxford
Windows
We have built a mini universe with real physics basis, simulation and imagination. The game uses realistic environments and models to tell a story of a mini universe.
Why similar: Space Sim 37.9%, Space 17.3%, Sandbox 13.3%, Flight 10.1%, Sci-fi 7.8%
- #51 Arvoch Alliance SE
67% match7 user reviews86% of 7 reviews2026
Dev: StarWraith 3D Games LLC
Windows
Advanced First Person Space Flight Combat Simulation.
Why similar: Space Sim 33.8%, Flight 19.6%, 6DOF 15.6% ★, Space 12.4%, Sci-fi 6.2%
- #52 Rocket Science
69% matchVery Positive81% of 171 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 24.8%, Flight 15.3%, Space 14.4%, Sandbox 11.6%, Open World 8.8%
- #53 RESBS
68% matchNo user reviews
Dev: RESB
Windows
RESBS is a first-person space survival simulation where you and your friends cooperate to survive in zero gravity on a space station!
Why similar: Space Sim 30.9%, 6DOF 22.5% ★, Space 18.5%, Exploration 8.8%, First-Person 6.9%
- #54 Stellar Wanderer DX
67% matchMostly Positive71% of 56 reviews2026
Dev: Dream Builder StudiosPub: Leoful
Windows
Fight, trade, mine, and explore the galaxy in this old-school space combat simulator. You are a freelance pilot who survived an assassination attempt. Travel the open world, chase bounties, get new ships, upgrade your gear, and, why not, maybe even save humankind!
Why similar: Space Sim 25.1%, Trading 18.9%, Flight 15.7%, Space 11.6%, Open World 8.3%
- #55 sfsim
68% matchNo user reviews
Dev: Jan Wedekind
Windows · Linux
sfsim is a realistic 3D space flight simulator.Use an advanced single-stage-to-orbit space craft to take off, orbit the planet, perform reentry, and land back on Earth.sfsim features a true to scale Earth planet using NOAA elevation data and procedurally generated volumetric clouds.
Why similar: Space Sim 25%, Flight 18.6%, 6DOF 15.7% ★, Space 13.7%, Open World 8.7%
- #56 Rebel Galaxy
68% matchVery Positive85% of 8,321 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space 31.3%, Space Sim 24.5%, Open World 14.3%, Sci-fi 8.4%, Trading 7.9%
- #57 SIRIUS-4
66% matchMixed48% of 21 reviews2025
Dev: Triumvirate Games
Windows
"Sirius-4" is a plot-oriented space simulator that gives the player complete freedom of action as a hired pilot of the "Sirius" unit. The action takes place on the outskirts of human space during a turbulent time for the galaxy after a global war.
Why similar: Space Sim 34.8%, Flight 20.8%, Space 13.2%, Trading 12%, Simulation 9.6%
- #58 Leaving the formation
67% matchNo user reviews
Dev: D&A
Windows
Leaving the formation is a story-driven sci-fi combat simulation based on honest Newtonian flight physics.
Why similar: Space Sim 40.4%, Flight 19.3%, Space 17.6%, Simulation 8.1%, First-Person 4.7%
- #59 Rheksetor
70% matchNo user reviews2018
Dev: Trokardia
Windows
Explore and unravel the mysteries of Rheksetor!
Why similar: Space Sim 31.3%, Space 16%, Immersive 13% ★, Open World 10.4%, Immersive Sim 9.2%
- #60 Celestial Routes
66% matchNo user reviews
Dev: Unpredictable Games
Windows · Mac
A sci-fi space flight, exploration, and survival game in third person. Survival is important in this universe, both physically and economically. Exploring different planets, spacestations, and debris areas, and surface facilities is the key part for scavenging and collecting materials and tools.
Why similar: Space Sim 25.7%, Flight 22.2%, Space 20.9%, Sandbox 13.8%, Sci-fi 8.7%