- #1 X3: Reunion
97% matchMostly Positive72% of 725 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 24.2% ★, Space 23.8%, Sandbox 10.9%, Flight 10.6%, Sci-fi 9%
- #2 Interstellar Pilot 2
96% 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 25.6% ★, Sandbox 14.2%, Space 11.6%, Simulation 10.8%, Strategy 10.8%
- #3 First Parsec
96% matchNo user reviews
Dev: zamraky.cz
Windows · Linux
You’re a courier tasked with delivering a package across the galaxy. The path is dangerous - Smokers, greedy merchants, military meatheads, and aliens lurk at every turn. Switch ships, outfly enemies, and survive the chaos of a galaxy ruled by warring factions.
Why similar: Space Sim 23% ★, Flight 22.8%, Space 15.3%, Shooter 8.6%, Sci-fi 6.1%
- #4 Between the Stars
94% matchMostly Positive74% of 2,427 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.9 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 24.8% ★, Space 22.8%, Sandbox 8.9%, Sci-fi 8.6%, Simulation 8%
- #5 X2: The Threat
95% matchVery Positive83% of 518 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 25.5%, Space Sim 20.5% ★, Sci-fi 10%, Sandbox 9.7%, Strategy 9%
- #6 SIRIUS-4
93% matchMixed45% of 20 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 27.2% ★, Flight 21.1%, Space 12.4%, Simulation 11.3%, Futuristic 8.4%
- #7 Angle of Attack
94% match3 user reviews0% of 3 reviews2009
Dev: 3000AD
Windows
Angle Of Attack is the aerial combat action companion title to All Aspect Warfare. It features high-octane air combat against air, land and sea threats over vast planetary regions. See the action from a different perspective and get in on the action!
Why similar: Flight 22.5%, Artificial Intelligence 14%, Sandbox 10.5%, Sci-fi 10.3%, Futuristic 8.6%
- #8 X: Beyond the Frontier
92% matchMostly Positive75% of 382 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 23.1%, Space Sim 21.7% ★, Simulation 11.7%, Sci-fi 10.8%, Flight 8.9%
- #9 The Mystery Of The Moon
91% match3 user reviews67% of 3 reviews2023
Dev: HUANG MEI ZHAO
Windows
The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.
Why similar: Space Sim 21% ★, Flight 17.9%, Space 13.4%, Sci-fi 8.9%, Futuristic 8.7%
- #10 Silverwing
91% matchMostly Positive77% of 13 reviews2022
Dev: Synthetic Vector Studios
Windows
Silverwing is an action flight game where you build an array of powerful spaceships to combat enemies across space and a diverse array of planet landscapes. Play through a fully voiced 20+ mission campaign with multiple endings based on your mission choices.
Why similar: Space Sim 21.6% ★, Flight 17.4%, Space 12.5%, Artificial Intelligence 11.3%, Sci-fi 8.3%
- #11 Star Trek™: Starfleet Academy
90% matchVery Positive83% of 130 reviews2015
Dev: Interplay Entertainment Corp.
Windows
A must for any fan, Star Trek: Starfleet Academy is an action/flight simulator featuring filmed footage of the original Star Trek actors. Take your place among the best and brightest at Starfleet Academy!
Why similar: Space Sim 26.1% ★, Flight 16%, Space 13.2%, Sci-fi 9.3%, Simulation 6.8%
- #12 Evochron Mercenary
89% 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 26.1%, Space Sim 23.7% ★, Simulation 10.6%, Sandbox 10.3%, Flight 10.2%
- #13 Cosmic Miners
88% matchMixed58% of 60 reviews2025
Dev: bitByte Games
Windows
Explore asteroid fields, trade rare resources, and upgrade your ship in Cosmic Miners. Navigate faction alliances, complete missions, and rise through the ranks in a dynamic space adventure where your choices shape your path to cosmic power.
Why similar: Space Sim 25.2% ★, Flight 14.8%, Space 13.2%, Sci-fi 9.3%, Shooter 8.6%
- #14 X: Tension
89% matchMostly Positive77% of 135 reviews2010
Dev: Egosoft
Windows
Median: 6 minMean: 3.2 hrs≥1hr: 15%
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
Why similar: Space Sim 27.6% ★, Space 21.7%, Simulation 14.1%, Sci-fi 11.8%, Sandbox 10.9%
- #15 Star Horizon
87% matchMixed60% of 150 reviews2015
Dev: Orbital Knight
Windows · Mac · Linux
Median: 3.6 hrsMean: 3.9 hrs≥1hr: 93%
Experience fast action, thrilling levels, spectacular explosions and lots of pew-pew-pew. Star Horizon is a reboot for the on-rails space shooter genre.
Why similar: Space 21.5%, Space Sim 20.4% ★, Sci-fi 12.4%, Sandbox 9.5%, Simulation 9.1%
- #16 X3: Terran Conflict
86% matchVery Positive85% of 2,841 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 32.2 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 29.5%, Space Sim 21.1% ★, Sandbox 12.6%, Sci-fi 9.4%, Simulation 8.7%
- #17 Space Duels
86% matchNo user reviews
Dev: Benjamin Chen
Windows
1v1 online multiplayer spaceship duels with realistic physics
Why similar: Space Sim 27.5% ★, Flight 22%, Shooter 10.2%, Futuristic 8.4%, Simulation 8%
- #18 TheFlagship
85% matchNo user reviews
Dev: NeveraiN Games
Windows
"The Flagship" is a singleplayer third-person space warship roguelike game. From destroyers to battleships, choose your vessel and equip it to face node-based roguelike challenges, each adventure is a different experience. Your ship, equipment, skill level and roguelike ability build will be tested.
Why similar: Space Sim 28.2% ★, Flight 16.8%, Space 16.1%, Sci-fi 10.3%, Futuristic 7.1%
- #19 Vallen
84% matchNo user reviews2023
Dev: Rader Games
Windows
Space combat on a massive scale. Defend your allies, destroy the Xeris and claim victory for the Vallen! Your people need you, fly your ship in an intense battle in an asteroid field to secure the sector.
Why similar: Space Sim 34.2% ★, Flight 25.9%, Space 10.7%, Futuristic 8.5%, Action 7.3%
- #20 Celestial Command
84% 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 28.2%, Space Sim 18.2% ★, Sandbox 15.4%, Simulation 11.3%, Sci-fi 9.3%
- #21 X Rebirth
83% matchMixed44% of 7,305 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 31.5%, Space Sim 20.8% ★, Sci-fi 13.9%, Simulation 13.3%, Sandbox 9.9%
- #22 Space Battle VR
82% 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: Space Sim 22.3% ★, Flight 19.5%, Space 15%, Sci-fi 9.5%, Shooter 7.7%
- #23 9.8
81% matchNo user reviews
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: Flight 21.2%, Space Sim 20.5% ★, Space 19.1%, Simulation 12.3%, Sandbox 11%
- #24 X-COM: Interceptor
82% matchMixed56% of 219 reviews2008
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 6 minMean: 10.0 hrs≥1hr: 22%
They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.
Why similar: Space Sim 24.3% ★, Strategy 20%, Space 19.7%, Flight 18.5%, Sci-fi 16.6%
- #25 Starship Fighters: Space Combat Simulator
79% match2 user reviews0% of 2 reviews2025
Dev: Hard Shark Games
Windows
Pilot your starship in Starship Fighters, a realistic space combat simulator. Engage in intense battles, explore vast galaxies, and unleash destruction with an arsenal of powerful weapons in a universe teeming with enemies!
Why similar: Space Sim 26% ★, Flight 19.9%, Space 10.4%, Shooter 8.4%, Futuristic 7.9%
- #26 SpaceEngine
79% 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: Space Sim 20.9% ★, Flight 16.4%, Space 14.6%, Sandbox 13%, Sci-fi 10.7%
- #27 Evolution of a Mini World: Physics Wonderland
80% 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 32.6% ★, Space 17.9%, Sandbox 13.7%, Sci-fi 11.5%, Flight 11.3%
- #28 Universal Combat CE
81% matchMixed42% of 267 reviews2015
Dev: 3000AD
Windows
Median: 36 minMean: 15.8 hrs≥1hr: 45%
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.
Why similar: Space 30.7%, Sci-fi 20.4%, Strategy 13.4%, Simulation 12.6%, Space Sim 5.9% ★
- #29 Star Squadron
78% matchNo user reviews2026
Dev: All Seeing Eye Games
Windows
Star Squadron is a next-generation space combat simulator delivering unmatched immersion. With seamless transitions, an interactive narrative, and our proprietary Voice Mimic System that personalizes dialogue to your actions, your choices, and your name, every journey will feel uniquely yours.
Why similar: Space Sim 28.2% ★, Artificial Intelligence 17.1%, Space 16.2%, Sci-fi 9%, Futuristic 8.2%
- #30 Space Mercs
78% matchMixed65% of 48 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 27.1% ★, Flight 19.8%, Space 15%, Sci-fi 10.4%, Shooter 8.6%
- #31 Lightspeed
77% match1 user reviews100% of 1 reviews2024
Dev: MPS LabsPub: Atari
Windows
You're the only human in a huge, robotic space ship, flying at incredible speeds through deep space. Your mission: find and settle a new planet where humanity can thrive. Combat is inevitable, but you'll need more than flying skills to succeed.
Why similar: Flight 29.7%, Space Sim 29.6% ★, Space 19%, Simulation 9.9%, Sci-fi 6.8%
- #32 Space
77% matchNo user reviews
Dev: Digital Traveller
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 28.4% ★, Space 15.6%, Sandbox 11.6%, Sci-fi 10.7%, Futuristic 8.6%
- #33 Scraponauts
76% 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 28.4% ★, Flight 19.9%, Space 15.7%, Sandbox 13.6%, Sci-fi 8.8%
- #34 Hypergate
76% matchPositive89% of 47 reviews2018
Dev: Geoff Nagy
Windows · Linux
Hypergate is an arcade-style space combat game. It is focused on fast-paced combat rather than resources, realistic flight, or grinding. It features a 2-hour campaign, LAN or single-player Instant Action for customizing your own battles, 30 upgrades to buy using in-game points, and 3 ships to fly.
Why similar: Space Sim 23.8% ★, Flight 19.5%, Space 14.2%, Sci-fi 9.5%, Futuristic 8.3%
- #35 Arc Savior
75% matchMostly Positive72% of 29 reviews2019
Dev: Squid Monkey Studios
Windows
Discover a beautiful and brutal universe through three immersive stories. Champion blazing fast dog-fights, Out wit aggressive defense systems and overcome constant overwhelming odds. This is your goal, this is your duty, this is your way of life...
Why similar: Space Sim 25.6% ★, Flight 19.7%, Space 15.3%, Simulation 13.8%, Sci-fi 9.6%
- #36 Subdivision Infinity DX
75% matchMostly Positive75% of 105 reviews2019
Dev: MistFly GamesPub: Crescent Moon Games
Windows
Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!
Why similar: Space Sim 32.6% ★, Space 22.4%, Sci-fi 13.5%, Shooter 8%, Action 7.4%
- #37 House of the Dying Sun
74% matchVery Positive90% of 2,001 reviews2016
Dev: Marauder Interactive, LLC
Windows
Median: 1.0 hrsMean: 2.6 hrs≥1hr: 50%
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Why similar: Space Sim 34.8% ★, Space 21.2%, Flight 13.7%, Simulation 9.1%, Sci-fi 7.5%
- #38 Eclipsi
74% matchNo user reviews2026
Dev: 3nc3ladus
Windows
Embark on an epic 3D space shooter adventure featuring dynamic space combat and thrilling planetary exploration. Battle in single or multiplayer modes from 1v1 to 5v5, strategizing to achieve victory through base destruction, resource collection, or base capture. Dominate with our ranking system!
Why similar: Space Sim 28.6% ★, Flight 22.5%, Space 10.8%, Shooter 10.5%, Sci-fi 8%
- #39 Arvoch Alliance SE
73% match5 user reviews80% of 5 reviews2026
Dev: StarWraith 3D Games LLC
Windows
Advanced First Person Space Flight Combat Simulation.
Why similar: Space Sim 29.3% ★, Flight 21.9%, Space 12.9%, Futuristic 10.5%, Sci-fi 9.2%
- #40 The Cosmogenesis Project: Corruption
73% matchNo user reviews
Dev: BitDriven
Windows
Pilot your ship across a procedurally generated star map as corruption spreads inward. Each sector holds a stabiliser; protect it from raiders and pump energy into its shields. Jump between nodes, prioritise threats, and manage energy. Hold the line until time runs out, or be consumed by corruption.
Why similar: Space Sim 36.8% ★, Space 25.3%, Strategy 13.8%, Sci-fi 8.3%, Simulation 5.6%
- #41 General Purpose Trucker
73% matchNo user reviews
Dev: Fantastic Systems
Windows
Humanity is gone, but the machines never stopped producing, and now there's cargo to move. As a robot space trucker, you’ll jump between systems, navigate astronomical planetary distances, upgrade your junk-hauler, and keep the galaxy's commerce alive. People may be gone but the job's never done!
Why similar: Space Sim 30% ★, Flight 23%, Artificial Intelligence 12.1%, Simulation 11.6%, Space 8.9%
- #42 Sylph
72% matchNo user 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 28.7% ★, Flight 28.4%, Space 14.7%, Sci-fi 10.6%, Simulation 7.1%
- #43 Leaving the formation
71% 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 35.3% ★, Flight 21.8%, Space 18.5%, Simulation 10.7%, Sci-fi 6.9%
- #44 Rogue Stargun
71% match7 user reviews86% of 7 reviews2024
Dev: Du Games
Windows
Rogue Stargun is an action-packed space combat sim where you pilot 5 unique starfighters with interactive VR cockpits in a story-driven single player campaign consisting of over 24 unique missions covering both land and space.
Why similar: Space Sim 32.8% ★, Space 13.2%, Simulation 11.1%, Sci-fi 10.5%, Futuristic 7.1%
- #45 Underspace
70% 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 21.5%, Space Sim 21.2% ★, Space 13.5%, Futuristic 10.8%, Sandbox 10%
- #46 Voidless
70% matchNo user reviews
Dev: Retnuh Studio
Windows
Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.
Why similar: Space Sim 26% ★, Space 15.3%, Flight 13.6%, Sandbox 12.8%, Futuristic 7.2%
- #47 Final Orbit
70% 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 22.1% ★, Space 16.7%, Sandbox 15.7%, Flight 14.1%, Simulation 11.1%
- #48 STAR WARS™ - X-Wing Special Edition
71% matchMostly Positive78% of 463 reviews2015
Dev: LucasfimPub: LucasArts
Windows · Mac
Median: 12 minMean: 6.3 hrs≥1hr: 29%
Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?
Why similar: Space Sim 42% ★, Space 22.2%, Flight 11%, Simulation 9.9%, Action 9%
- #49 All Aspect Warfare
72% matchMostly Negative23% of 13 reviews2009
Dev: 3000AD
Windows
All Aspect Warfare is a thrilling planetary combat game featuring first person, vehicular and air combat over vast terrain.
Why similar: Flight 23%, Artificial Intelligence 16.7%, Sandbox 13.5%, Sci-fi 11.4%, Shooter 8.4%
- #50 Univoyager
69% 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 28.7% ★, Flight 20.1%, Space 12.3%, Sandbox 9.4%, Open World 7.1%
- #51 Rebel Galaxy Outlaw
69% matchMixed64% of 1,122 reviews2020
Dev: Double Damage Games
Windows
Median: 36 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: Space Sim 32.9% ★, Sci-fi 11.7%, Space 10%, Open World 9.3%, Flight 8.6%
- #52 Battlecruiser Generations
69% matchPositive83% of 18 reviews2021
Dev: 3000AD
Windows
In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.
Why similar: Space Sim 29.6% ★, Space 15.1%, Sandbox 12.2%, Futuristic 11.4%, Sci-fi 11.1%
- #53 ARISING
68% matchNo user reviews
Dev: Cold Capacitor
Windows
First person space combat and exploration in an open world in a variety of star systems. Pilot ships, fight, run missions and trade.
Why similar: Space Sim 26% ★, Flight 19.3%, Space 13%, Sci-fi 8.2%, Futuristic 7%
- #54 Instarion
68% matchNo user reviews
Dev: Animus Digital
Windows
Massive ground and space battles with hundreds of units. Seamless landings on huge spherical planets. Interplanetary flights with explorable ship interiors. Boarding vessels anywhere in combat, space or surface. All in a single-server PvE co-op space-sim shooter.
Why similar: Space Sim 31.4% ★, Space 15.4%, Sci-fi 10.7%, Futuristic 10.1%, Open World 9.2%
- #55 CDL for a UFO
66% match6 user reviews100% of 6 reviews2026
Dev: Myopic Frog
Windows
Play as a starship captain who is woefully unqualified for the job. With an unfamiliar control panel in front of you, all 45 keys of your keyboard are randomized at the start of every attempt. Guide your ship through a variety of obstacles in an attempt to make it to your destination in one piece.
Why similar: Flight 28.9%, Space 24%, Space Sim 20.5% ★, Sci-fi 12.1%, Comedy 6.7%
- #56 Alliance Tales: Battle for the Frontier
67% matchNo user reviews
Dev: Urban Logic Games
Windows
Alliance Tales is a linear, story-driven space combat sim inspired by 90s classics like Wing Commander and Tie Fighter. Take part in fast-paced space battles in a campaign that takes you on the hunt for a missing friend while foiling a plot to take over the Frontier Colonies.
Why similar: Flight 28.3%, Space Sim 25.7% ★, Space 18.5%, Shooter 9.8%, Simulation 6.3%
- #57 Darkstar One
68% matchVery Positive83% of 609 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space Sim 34% ★, Space 29.7%, Sci-fi 14.5%, Open World 7.7%, Action 7.2%
- #58 3030 Deathwar Redux - A Space Odyssey
67% matchVery Positive94% of 1,148 reviews2017
Dev: Bird in SkyPub: Crunchy Leaf Games
Windows
Median: 7.5 hrsMean: 8.2 hrs≥1hr: 91%
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Why similar: Space 25%, Space Sim 21% ★, Sci-fi 11.7%, Sandbox 11%, Simulation 9.3%
- #59 Astrox Imperium
67% 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 29.9%, Space Sim 29.9% ★, Sandbox 14.5%, Simulation 9.5%, Open World 7.8%
- #60 TwoBrains OneShip
65% match2 user reviews100% of 2 reviews2025
Dev: Z-Tech Studio
Windows
Two players. One ship. Infinite chaos. Deliver cargo across the galaxy, upgrade your ship, and try not to explode — or each other.
Why similar: Flight 29.4%, Space Sim 29.3% ★, Space 18.8%, Simulation 7.9%, Sci-fi 6.4%