- #1 SpaceBourne 2
97% matchMostly Positive77% of 4,992 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 10.9 hrs≥1hr: 70%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 48.1% ★, Space 32.1%, RPG 19.8%
Why You'll Like It: The direct sequel expands on every mechanic of the original, offering a more polished and expansive open-world RPG experience.
- #2 EVERSPACE™ 2
96% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 54.8%, RPG 17.8%, Simulation 17%, Exploration 10.4%
Why You'll Like It: This title features high-octane space combat paired with deep RPG loot systems and a vast, handcrafted open world to explore.
- #3 Rebel Galaxy
96% matchVery Positive85% of 8,230 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.6 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 54.4%, Space Sim 23.8% ★, RPG 11.3%, Simulation 6.4%, Indie 2.1%
Why You'll Like It: This game captures the feeling of being a lone pilot in a dangerous galaxy with a heavy emphasis on ship combat and faction-based missions.
- #4 X4: Foundations
95% matchMostly Positive80% of 27,985 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
Why similar: Space Sim 42.8% ★, Space 35%, Simulation 14.8%, Exploration 7.4%
Why You'll Like It: It offers an incredibly deep simulation of faction warfare and economy, perfect for players who want to command their own fleet in a living universe.
- #5 Star Valor
94% matchVery Positive89% of 3,325 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 78%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 63.3%, RPG 22.1%, Exploration 9.5%, Indie 5.1%
Why You'll Like It: A sandbox space RPG that excels at providing a sense of progression through loot, ship building, and open-ended exploration.
- #6 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 37.1%, Space Sim 27.4% ★, RPG 15.5%, Simulation 13.6%, Indie 4.9%
Why You'll Like It: This game puts you in command of a cruiser during a galactic war, focusing on tactical combat and RPG-style decision making.
- #7 Astrox Imperium
93% 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 47.5%, Space Sim 32.2% ★, Simulation 15.6%, Indie 4.8%
Why You'll Like It: An indie space-sim that mirrors the pilot-focused progression and open-world exploration found in SpaceBourne.
- #8 Starcom: Unknown Space
91% matchVery Positive93% of 4,082 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 7.9 hrsMean: 16.2 hrs≥1hr: 82%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space 43.6%, Space Sim 33.5% ★, RPG 11.4%, Exploration 7.2%, Indie 4.2%
Why You'll Like It: A fantastic exploration-heavy RPG that emphasizes discovering anomalies and upgrading your ship through scientific research.
- #9 VoidExpanse
92% 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 61.1%, RPG 20.8%, Simulation 12.4%, Indie 5.6%
Why You'll Like It: It features a strong focus on RPG elements and faction dynamics within a procedurally generated open-world space setting.
- #10 Starpoint Gemini Warlords
91% matchMostly Positive73% of 3,569 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 88%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: Space 36.5%, Space Sim 32.6% ★, RPG 14.4%, Simulation 12.8%, Indie 3.8%
Why You'll Like It: This game masterfully blends space combat with 4X strategy elements, allowing you to build your own empire while piloting your ship.
- #11 Elite Dangerous
90% 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 43.2% ★, Space 36.4%, Simulation 10.2%, Exploration 5.6%, RPG 4.6%
Why You'll Like It: The definitive space simulation for players who want total freedom to explore a realistic, massive galaxy at their own pace.
- #12 Darkstar One
89% 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 43.4%, Space Sim 33.7% ★, Simulation 9.5%, RPG 8.6%, Exploration 4.8%
Why You'll Like It: A classic space RPG that features a customizable ship and a branching narrative driven by faction relationships.
- #13 Starpoint Gemini 3
89% matchMixed50% of 867 reviews2020
Dev: Little Green Men Games
Windows
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 87%
Fight, loot, explore and craft in the living open world of Starpoint Gemini 3. Assemble your trusty ship and boost your RPG skills to face all challenges.
Why similar: Space Sim 34.7% ★, Space 32.1%, RPG 13.8%, Simulation 13.3%, Exploration 6.2%
Why You'll Like It: It shifts the focus to a more personal, pilot-centric narrative while maintaining the series' signature space combat and RPG mechanics.
- #14 Endless Sky
87% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 57%, Space Sim 18.8% ★, Simulation 9.9%, RPG 8.6%, Exploration 3.4%
Why You'll Like It: A free-to-play open-world space game that offers a massive campaign and deep trading and combat mechanics.
- #15 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 42.7% ★, Space 33.9%, Simulation 15.2%, Exploration 6.9%, Indie 1.3%
Why You'll Like It: A hardcore space simulation that offers unparalleled freedom in flight mechanics and planetary exploration.
- #16 Void Destroyer 2
86% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 45.2% ★, Space 34.4%, Simulation 15.1%, Indie 5.3%
Why You'll Like It: It combines space combat with strategy and sandbox elements, allowing players to build a fleet and influence the galaxy.
- #17 The Long Journey Home
86% matchMixed59% of 1,915 reviews2017
Dev: Daedalic Studio WestPub: Daedalic Entertainment
Windows · Mac
Median: 3.9 hrsMean: 5.9 hrs≥1hr: 89%
The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?
Why similar: Space 42.2%, RPG 22.2%, Simulation 22.1%, Indie 7.6%, Exploration 5.9%
Why You'll Like It: This game focuses on the struggle of exploration and survival, forcing players to manage their ship and crew in a hostile galaxy.
- #18 Starcom: Nexus
84% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 50.6%, Space Sim 23.4% ★, RPG 14.8%, Exploration 6.7%, Indie 4.6%
Why You'll Like It: The predecessor to Unknown Space, it provides a similar focus on exploration, dialogue, and ship customization.
- #19 Starship EVO
84% 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 44.1%, Space Sim 25.5% ★, Simulation 21.7%, Indie 8.7%
Why You'll Like It: A creative-focused space sim that allows for intricate ship building and exploration in a vast, interactive environment.
- #20 Kinetic Void
85% 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 59.2%, Simulation 20.3%, Space Sim 14.2% ★, Indie 6.4%
Why You'll Like It: This game focuses heavily on modular ship construction and tactical combat within a sandbox space environment.
- #21 Celestial Command
82% 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 45.1%, Space Sim 19.8% ★, Simulation 18.8%, RPG 11.3%, Indie 5.1%
Why You'll Like It: A physics-based space simulation that allows for complex ship building and tactical combat.
- #22 Into the Stars
83% matchMixed41% of 537 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 61.3%, Simulation 29.5%, Indie 9.2%
Why You'll Like It: A strategy-heavy space exploration game where you must manage your ship's resources while fleeing an overwhelming enemy force.
- #23 Wayward Terran Frontier: Zero Falls
82% 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 36.8% ★, Space 28%, RPG 13.7%, Simulation 12.8%, Indie 4.5%
Why You'll Like It: A sandbox space RPG that emphasizes ship design and crew management in a persistent, open-world galaxy.
- #24 Jumpdrive
81% matchMostly Negative39% of 164 reviews2018
Dev: Meteoric Games
Windows
Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power and upgrade and purchase new ships.
Why similar: Space 58.5%, Simulation 30.1%, Indie 11.4%
Why You'll Like It: An indie space sim that focuses on the core loop of trading, combat, and exploration in a procedurally generated universe.
- #25 Spaceforce Rogue Universe HD
81% matchMixed58% of 53 reviews2015
Dev: Dreamatrix
Windows
Median: 6.1 hrsMean: 6.5 hrs≥1hr: 100%
Spaceforce Rogue Universe HD is an action RPG space simulation game, with emphasis on key elements such as ship development, exploration of an immersive universe and freedom of choice. After the pilot leaves the starting zone, Spaceforce opens an almost unlimited space for exploration.
Why similar: RPG 53.5%, Simulation 46.5%
Why You'll Like It: An action-oriented space RPG that offers a wide variety of missions and ship upgrades for the aspiring pilot.
- #26 Landinar: Into the Void
79% matchMixed57% of 243 reviews2019
Dev: Convoy Games
Windows
Median: 2.6 hrsMean: 6.6 hrs≥1hr: 88%
Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.
Why similar: Space 40.5%, Space Sim 33.9% ★, RPG 18.8%, Indie 6.8%
Why You'll Like It: An adventure-focused space RPG that emphasizes exploration and character-driven quests.
- #27 The Sentient
80% matchMostly Negative39% of 82 reviews2016
Dev: Uncaged Studios
Windows
Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.
Why similar: Space Sim 27.8% ★, Space 26.6%, Simulation 19%, RPG 19%, Indie 7.6%
Why You'll Like It: A unique blend of strategy and simulation that tasks players with managing their ship and crew in a dangerous, evolving galaxy.
- #28 Azulgar: Star Commanders
79% matchMixed51% of 108 reviews2017
Dev: SZEINER
Windows
Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.
Why similar: Space 48%, Simulation 30%, Indie 11.2%, RPG 8%, Exploration 2.8%
Why You'll Like It: This title offers a mix of action and simulation with a focus on building and commanding your own fleet.
- #29 Avorion
75% 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: Space Sim 42.5% ★, Space 36%, Simulation 13.7%, Exploration 7.8%
- #30 Objects in Space
78% matchMixed52% of 612 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 71%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 33.5%, Simulation 21.4%, Space Sim 19.6% ★, RPG 18.4%, Indie 7.1%
Why You'll Like It: A unique, stealth-focused space simulation that emphasizes realistic sensor management and navigation.
- #31 Spaceflight Simulator
74% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 hrsMean: 14.2 hrs≥1hr: 84%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 41.3% ★, Space 35.4%, Simulation 14.6%, Exploration 6.4%, Indie 2.2%
- #32 Evochron Mercenary
77% 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 46.8%, Space Sim 29% ★, Simulation 19.9%, Indie 4.3%
- #33 Interstellar Rift
75% 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 46.3% ★, Space 32.8%, Simulation 13%, Exploration 7.9%
- #34 Sector Space
72% matchVery Positive96% of 53 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: Space Sim 37.3% ★, RPG 23.6%, Simulation 20.6%, Space 10.2%, Exploration 5.9%
- #35 X Rebirth
76% 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 52.6%, Space Sim 23.6% ★, Simulation 23%, Exploration 0.8%
- #36 Starpoint Gemini
77% matchMostly Negative31% of 150 reviews2012
Dev: Little Green Men Games
Windows
Median: 42 minMean: 5.8 hrs≥1hr: 42%
Gemini is a dangerous place with riches waiting to be claimed by the more daring and capable captain.
Why similar: Space 30.8%, RPG 25.2%, Simulation 24%, Space Sim 18.2% ★, Indie 1.9%
- #37 Space Haven
72% matchVery Positive86% of 9,719 reviews2020
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.3 hrsMean: 20.2 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 37% ★, Space 35.7%, Simulation 15.7%, Exploration 6.8%, Indie 4.8%
- #38 Starpoint Gemini 2
74% matchMixed69% of 4,112 reviews2014
Dev: Little Green Men Games
Windows
Median: 3.0 hrsMean: 5.3 hrs≥1hr: 88%
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
Why similar: Space 47.8%, Space Sim 25.9% ★, RPG 11.5%, Simulation 11.3%, Indie 3.5%
- #39 Space Pirates And Zombies 2
73% matchMostly Positive79% of 2,826 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.6 hrsMean: 13.5 hrs≥1hr: 81%
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Why similar: Space 57.5%, RPG 15.5%, Simulation 11.6%, Space Sim 7.5% ★, Indie 6.3%
- #40 Empyrion - Galactic Survival
71% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 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 37.5%, Space Sim 37.2% ★, Simulation 17.9%, Exploration 7.3%
- #41 Destination Sol
73% matchMostly Positive79% of 1,362 reviews2015
Dev: MovingBlocks
Windows · Mac · Linux
Median: 30 minMean: 3.8 hrs≥1hr: 30%
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Why similar: Space 60.6%, RPG 29.4%, Indie 10%
- #42 ΔV: Rings of Saturn
68% matchVery Positive93% of 3,305 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 85%
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Why similar: Space 42.2%, Space Sim 37.6% ★, Simulation 12.6%, Exploration 7.5%
- #43 StarMade
71% 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 57.8%, Space Sim 17.6% ★, Simulation 9%, RPG 7.6%, Exploration 4.1%
- #44 Battlevoid: Harbinger
71% matchMostly Positive79% of 1,057 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.8 hrsMean: 11.0 hrs≥1hr: 56%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 69.9%, Simulation 23.2%, Indie 6.9%
- #45 Space Commander: War and Trade
70% matchMixed67% of 688 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 57%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: Space Sim 44.9% ★, Space 24.6%, RPG 21.2%, Exploration 8.2%, Indie 1.1%
- #46 3030 Deathwar Redux - A Space Odyssey
69% 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 43.1%, Space Sim 24.5% ★, Simulation 16.6%, Indie 7.6%, Exploration 5.1%
- #47 Dangerous
73% matchMostly Negative30% of 50 reviews2014
Dev: Binary HelixPub: XP
Windows · Mac
Dangerous is an epic 3D open and living world space combat RPG sandbox with an immersive and riveting story. Are you the feared war criminal who will destroy all life or the savior of the universe? Gather your wingmen and travel the galaxy in search of answers.
Why similar: Space 28.2%, Space Sim 24.5% ★, RPG 20%, Simulation 19.6%, Indie 7.7%
- #48 Interstellar Pilot 2
68% matchVery Positive92% of 153 reviews2023
Dev: Pixelfactor Ltd.
Windows
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 41.6% ★, Space 27.9%, Simulation 26.8%, Indie 3.6%
- #49 Cosmic Miners
67% 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 42.2% ★, Space 32.7%, Simulation 12.6%, Indie 6.6%, Exploration 5.9%
- #50 Space Rogue
70% matchMixed64% of 451 reviews2016
Dev: Red Beat
Windows · Mac
Median: 3.5 hrsMean: 4.7 hrs≥1hr: 92%
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
Why similar: Space 64%, Simulation 18.3%, Exploration 9%, Indie 8.7%
- #51 BossConstructor
69% matchMostly Positive73% of 217 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: Space 41%, RPG 24.4%, Simulation 22%, Indie 9%, Exploration 3.6%
- #52 Helium Rain
68% matchMostly Positive79% of 324 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.7 hrs≥1hr: 74%
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 40.8% ★, Space 34.9%, Simulation 15%, Indie 4.9%, Exploration 4.5%
- #53 Astrometica
64% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space Sim 51.5% ★, Space 36.1%, Simulation 5.5%, Indie 3.7%, Exploration 3.2%
- #54 Miner Wars 2081
70% matchMostly Negative36% of 386 reviews2012
Dev: Keen Software House
Windows
Median: 36 minMean: 4.4 hrs≥1hr: 39%
Operate an advanced mining ship in a fully destructible and open-world environment!
Why similar: Space 35.9%, RPG 28.8%, Simulation 25.4%, Indie 9.9%
- #55 Ostranauts
66% matchMostly Positive80% of 2,398 reviews2020
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 5.1 hrsMean: 26.8 hrs≥1hr: 71%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Space Sim 33.4% ★, Space 31.1%, RPG 13.1%, Simulation 11.8%, Exploration 10.5%
- #56 Astrox: Hostile Space Excavation
67% matchVery Positive84% of 454 reviews2015
Dev: Jace Masula
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 75%
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
Why similar: Space 45.3%, Space Sim 28.2% ★, Simulation 19.5%, Indie 7%
- #57 Jitter
63% matchVery Positive86% of 153 reviews2025
Dev: Berko Games
Windows
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 45% ★, Space 41.6%, Exploration 8.3%, Indie 5.1%
- #58 Salvation Prophecy
69% matchMixed67% of 227 reviews2013
Dev: Firedance Games
Windows · Linux
Median: 54 minMean: 4.8 hrs≥1hr: 49%
Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy.
Why similar: Space 42.3%, RPG 27.2%, Simulation 22.7%, Indie 7.9%