- #1 Avorion
97% 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 36.4%, Sci-fi 21.5%, Simulation 18.5%, Sandbox 9.8%, Open World 9%
Why You'll Like It: This game excels at procedural generation and deep ship-building mechanics, making it the premier choice for sandbox space fans.
- #2 Starship EVO
96% 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%, Simulation 19%, Action 11.8%, Sci-fi 11.4%, Adventure 10.3%
Why You'll Like It: Focuses heavily on detailed, modular ship construction and physics-based movement in a vast sandbox environment.
- #3 X4: Foundations
96% 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 35.5%, Simulation 20.2%, Sci-fi 16.3%, Sandbox 9.8%, Action 7.3%
Why You'll Like It: It offers the most comprehensive open-world space simulation experience with complex economy and fleet management systems.
- #4 Star Valor
95% 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 38.8%, Sci-fi 15.8%, Action 10.2%, Sandbox 8.4%, Open World 7.1%
Why You'll Like It: Provides a satisfying sandbox loop of looting, upgrading, and building custom ships in a procedurally generated galaxy.
- #5 Starcom: Nexus
94% 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 44%, Sci-fi 19.6%, Action 8.8%, Adventure 8.5%, Indie 5.8%
Why You'll Like It: Features a strong emphasis on exploration and modular ship design while uncovering the mysteries of a strange galaxy.
- #6 SpaceBourne 2
93% 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 66.3%, Open World 19.3%, RPG 14.4%
Why You'll Like It: A modern, ambitious space RPG that combines exploration, ship customization, and dynamic faction warfare.
- #7 Celestial Command
94% 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 36%, Simulation 20%, Sci-fi 11.7%, Action 8%, Adventure 7.4%
Why You'll Like It: A physics-based space simulation that allows for intricate ship building and orbital mechanics.
- #8 Elite Dangerous
92% 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 35.4%, Sci-fi 16.7%, Simulation 13.2%, Massively Multiplayer 9.8%, Open World 7.9%
Why You'll Like It: The definitive open-world space sim for players who want a realistic, vast galaxy to explore and trade within.
- #9 Empyrion - Galactic Survival
91% 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 33.5%, Simulation 21.5%, Sci-fi 18%, Open World 8.2%, Survival 7.5%
Why You'll Like It: Combines space exploration with planetary landing and survival-based building mechanics.
- #10 StarMade
90% 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 39.8%, Sci-fi 13.8%, Sandbox 9%, Simulation 8.3%, Open World 7.1%
Why You'll Like It: A voxel-based space sandbox that allows for massive, custom-built capital ships and space stations.
- #11 EVERSPACE™ 2
88% 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 34.5%, Sci-fi 15.9%, Simulation 14.3%, Adventure 9.8%, Action 9.5%
Why You'll Like It: Offers a polished action-RPG experience with high-quality space combat and deep exploration elements.
- #12 Miner Wars 2081
91% 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 23.3%, Simulation 22.1%, Action 16.7%, Adventure 13.1%, Indie 9.5%
Why You'll Like It: Focuses on the mining and action aspects of space exploration within a destructible environment.
- #13 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 47.5%, Simulation 20.9%, Sci-fi 11.3%, Sandbox 7.1%, Indie 7%
Why You'll Like It: A deep space-sim that focuses on mining, trading, and combat in a massive, player-driven sandbox.
- #14 VoidExpanse
89% 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 40.8%, Sci-fi 16.3%, Simulation 11.1%, Action 8.5%, Open World 6.9%
Why You'll Like It: A top-down space RPG that provides a persistent, open-world experience with deep customization and faction interaction.
- #15 Between the Stars
85% 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 33.4%, Simulation 16.4%, Sci-fi 12.4%, Action 9.6%, Adventure 7.6%
Why You'll Like It: Blends RPG elements with real-time space combat and exploration in a narrative-driven sci-fi setting.
- #16 Objects in Space
87% 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 28.3%, Simulation 24.2%, Action 12.1%, Adventure 11.2%, Indie 8.8%
Why You'll Like It: A hardcore, retro-styled space simulation that emphasizes navigation and ship systems management.
- #17 Starcom: Unknown Space
82% 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 45.1%, Sci-fi 17.6%, Open World 8.8%, Action 7.6%, Indie 6.3%
Why You'll Like It: Continues the exploration-heavy gameplay of its predecessor with improved mechanics and a larger, more reactive universe.
- #18 Jumpdrive
86% 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 36.6%, Simulation 25.2%, Action 12.3%, Indie 10.5%, Adventure 9.7%
Why You'll Like It: A focused indie space-sim that emphasizes the journey and the management of ship systems during exploration.
- #19 Space Pirates and Zombies
84% matchVery Positive91% of 3,143 reviews2011
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 2.6 hrsMean: 10.4 hrs≥1hr: 86%
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Why similar: Space 45.9%, Sci-fi 17.3%, Action 10.7%, Indie 6.9%, Procedural Generation 5.5%
Why You'll Like It: A fast-paced action game that features modular ship design and strategic fleet management.
- #20 Kinetic Void
86% 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 42.4%, Simulation 19.5%, Sci-fi 13.8%, Action 8%, Indie 6.7%
Why You'll Like It: Offers a unique ship-building system where every component affects the performance and capabilities of your vessel.
- #21 Evochron Mercenary
84% 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 40.2%, Simulation 22.8%, Sci-fi 14.4%, Action 7%, Indie 5.5%
Why You'll Like It: A highly technical space flight simulator that offers complete freedom to explore and trade without scripted paths.
- #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 40.4%, Simulation 26%, Adventure 9.4%, Action 9%, Indie 8.9%
Why You'll Like It: Combines survival and strategy elements as you manage a ship and its crew through a hostile galaxy.
- #23 BossConstructor
82% 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 32%, Simulation 22.9%, Action 14.2%, Indie 10.4%, Sci-fi 9%
Why You'll Like It: Centers on the design and construction of custom ships to tackle increasingly difficult combat encounters.
- #24 Space Trash Scavenger
78% matchVery Positive84% of 514 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 76%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space 29.8%, Sci-fi 14.2%, Simulation 10.7%, Adventure 7.7%, Procedural Generation 7.1%
Why You'll Like It: Focuses on the industrial and scavenging side of space exploration, tasking players with cleaning up and building in orbit.
- #25 Darkstar One
81% 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 41.3%, Sci-fi 19.9%, Action 15.6%, Simulation 12.2%, Open World 5.4%
Why You'll Like It: A classic space-sim that allows players to upgrade their ship's components and explore a variety of star systems.
- #26 Stars End
79% matchMixed61% of 1,414 reviews2023
Dev: Reverie World StudiosPub: indie.io
Windows
Median: 2.5 hrsMean: 10.3 hrs≥1hr: 81%
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
Why similar: Space 24.3%, Sci-fi 13.1%, Massively Multiplayer 12.8%, Simulation 12.8%, Action 9.1%
Why You'll Like It: A multiplayer-focused survival game that emphasizes building and scavenging in a harsh space environment.
- #27 Space Impossible
79% matchVery Positive95% of 141 reviews2016
Dev: Happy Polygon
Windows · Mac · Linux
Take control of a fully destructible spaceship and explore, blast or trade your way through the cosmos, alone or with friends. Every tile matters, as you dogfight, maneuver or speed your way past friendly traders, hostile aliens, and impressive space navies. What will you do, Captain?
Why similar: Adventure 27.4%, Action 27.1%, Space 25.8%, Indie 19.7%
Why You'll Like It: A sandbox space game that allows for total destruction and building within a physics-based universe.
- #28 Star Rangers™ XE
81% matchMostly Negative40% of 153 reviews2016
Dev: Project Whitecard Studios Inc.Pub: Awestruck Games
Windows · Mac · Linux
Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.
Why similar: Space 21.9%, Simulation 18%, Sci-fi 11.8%, Adventure 9.1%, Action 7.7%
Why You'll Like It: Focuses on the survival and exploration aspects of space travel in a challenging, early-access environment.
- #29 Masterspace
80% matchMostly Negative28% of 176 reviews2015
Dev: Mastertech
Windows
Masterspace is a game about mining, creating and exploring, featuring fully destructible environments and spaceships that allow you to travel between different planets. Use explosives to mine metal ores or watch your newly constructed home get smashed to pieces by a meteorite impact.
Why similar: Simulation 27.6%, Space 26%, Action 17%, Indie 10.3%, RPG 7.4%
Why You'll Like It: A sandbox game that blends space exploration with voxel-based building and mining mechanics.
- #30 SpaceBourne
76% matchMostly Positive77% of 805 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 58%
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Why similar: Space 48%, Simulation 30%, Indie 11.2%, RPG 8%, Exploration 2.8%
- #31 Star Horizon
78% 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 26.9%, Simulation 15.8%, Sci-fi 15.3%, Action 9.9%, Adventure 8.9%
Why You'll Like It: Provides a cinematic, action-oriented space combat experience with light simulation elements.
- #32 helionaut
75% matchVery Positive95% of 223 reviews2020
Dev: Sokpop Collective
Windows · Mac
An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽
Why similar: Space 21.8%, Simulation 17.3%, Sci-fi 13.2%, Action 13%, Indie 12.4%
- #33 Rebel Galaxy
74% 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 46.7%, Sci-fi 17.5%, Simulation 7.4%, Open World 6.8%, Adventure 6.4%
- #34 STAR-BOX: RPG Adventures in Space
77% matchMixed50% of 86 reviews2015
Dev: Michael FlynnPub: FlynnFour Games
Windows
Median: 4.2 hrsMean: 4.9 hrs≥1hr: 98%
STAR-BOX – RPG Adventures in Space!Strap on your gravity boots, power up your laser, and climb aboard your spaceship for a retro-styled, RPG-jaunt into the unknown!Travel an open-world, sandbox universe where you are the architect of your own story.
Why similar: Space 21.7%, Simulation 20.1%, Adventure 12.4%, Sci-fi 11.1%, Indie 10.1%
- #35 Cosmic Miners
72% 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 29.7%, Sci-fi 20.5%, Simulation 15.4%, Action 11.6%, Indie 8.8%
- #36 Space Pirates And Zombies 2
74% 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 39%, Simulation 10.5%, Action 10%, Sci-fi 9.9%, Indie 6.2%
- #37 Ascent - The Space Game
75% matchMixed68% of 340 reviews2016
Dev: Fluffy Kitten Studios
Windows
Median: 12 minMean: 18.1 hrs≥1hr: 38%
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.
Why similar: Space 40.3%, Simulation 21.4%, Massively Multiplayer 16.4%, Sci-fi 14.5%, Indie 7.5%
- #38 Void Destroyer 2
73% 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 29.5%, Sci-fi 18.6%, Simulation 17.4%, Action 10.8%, Open World 8.5%
- #39 Dangerous
76% 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 26.2%, Simulation 24.4%, Action 13.4%, Adventure 13.3%, Indie 10.5%
- #40 Jitter
69% 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 33.2%, Sci-fi 20.5%, Adventure 10.7%, Action 9.4%, Open World 8.3%
- #41 Starbase
71% 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 27.5%, Simulation 16.5%, Sci-fi 16.5%, Massively Multiplayer 14%, Open World 8.6%
- #42 Landinar: Into the Void
73% 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 36.4%, Adventure 13.2%, Action 13.2%, Sci-fi 11.6%, Indie 9%
- #43 Universal Combat CE
73% 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 41.4%, Sci-fi 27.1%, Simulation 23.6%, Action 1.8%, Massively Multiplayer 1.5%
- #44 Parkan 2
72% matchMostly Positive73% of 382 reviews2014
Dev: NikitaPub: Fulqrum Publishing
Windows
Median: 2.2 hrsMean: 4.4 hrs≥1hr: 93%
Parkan II is an original concept game that will allow you to feel as a pilot of a spacecraft lost somewhere in the universe. Become a pirate or mercenary, get money to buy the most powerful cruiser and show them all who is to be the new master of the galaxy. Unforgettable adventures in the Parkan II universe await you!
Why similar: Space 34.3%, Simulation 26.1%, Action 14.6%, Adventure 13.7%, Sci-fi 11.3%
- #45 Destination Sol
71% 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 45.6%, Action 15.3%, Indie 11%, Open World 9.4%, RPG 7.8%
- #46 StarsOne
71% matchMostly Positive74% of 537 reviews2016
Dev: IllusoryWorldEntertainment
Windows · Mac · Linux
Median: 3.6 hrsMean: 8.2 hrs≥1hr: 96%
You’ll see an unexplored world full of dangers, mysteries and adventures. You will explore randomly generated planets, develop industry, conduct trade, plant colonies, explore outer space.
Why similar: Massively Multiplayer 27.5%, Action 24.1%, Indie 17.2%, Survival 16.8%, Sandbox 14.5%
- #47 Interstellar Rift
70% 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 26.8%, Sci-fi 16.4%, Simulation 14.2%, Action 8.6%, Open World 8.2%
- #48 Star Singularity
70% matchMostly Positive78% of 68 reviews2018
Dev: Star Bunny Enterprises
Windows
Median: 3.0 hrsMean: 4.9 hrs≥1hr: 76%
A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.
Why similar: Space 30.4%, Sci-fi 19%, Adventure 11.6%, Action 11.2%, Indie 7.5%
- #49 Star Crafter
66% matchMixed69% of 104 reviews2025
Dev: Tbjbu2
Windows
A space survival crafting mining base building and star system building game. Craft rockets to create planets and Dyson Rings, mine and craft advanced materials, terraform the terrain, manage electricity, farm food, and more as you watch the star system evolve into stunning, ever-changing views.
Why similar: Space 31.2%, Simulation 16.7%, Sci-fi 12.5%, Adventure 10.7%, Sandbox 5.9%
- #50 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: Space 67.6%, Sandbox 19.9%, Exploration 12.5%
- #51 Space Rangers HD: A War Apart
68% matchVery Positive94% of 7,116 reviews2013
Dev: SNK GamesPub: Fulqrum Publishing
Windows
Median: 4.0 hrsMean: 27.5 hrs≥1hr: 89%
Space adventure, open world RPG, strategy, arcade, quest and more!
Why similar: Space 48.5%, Sci-fi 11.6%, Simulation 11.3%, Adventure 8.8%, RPG 5.8%
- #52 StarRupture
62% matchVery Positive81% of 10,861 reviews2026
Dev: Creepy Jar
Windows
Median: 6.6 hrsMean: 18.9 hrs≥1hr: 88%
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
Why similar: Sci-fi 23.4%, Simulation 20.7%, Adventure 12%, Action 10.5%, Open World 10.1%
- #53 PULSAR: Lost Colony
65% 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 31.2%, Sci-fi 20.1%, Simulation 18.8%, Open World 8.5%, Adventure 7.2%
- #54 Star Nomad 2
69% matchMostly Positive72% of 158 reviews2015
Dev: Huy Phan
Windows · Mac
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
Why similar: Space 36.1%, Simulation 23.5%, Sci-fi 15.1%, Indie 6.9%, RPG 6.7%
- #55 QANGA
65% 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 27.7%, Sci-fi 16.1%, Simulation 14.7%, Adventure 8.2%, Open World 7.2%
- #56 Infinitum
68% matchMixed81% of 312 reviews2017
Dev: VGstudio
Windows
Median: 4.6 hrsMean: 6.0 hrs≥1hr: 98%
Travel through space. Attend the planets. Gather resources. Find artifacts.
Why similar: Action 28.7%, Simulation 24.6%, Space 20.6%, Adventure 14.7%, Indie 11.4%
- #57 Star Conflict
68% matchMostly Positive73% of 15,084 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.3 hrs≥1hr: 63%
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Why similar: Sci-fi 30.8%, Massively Multiplayer 21%, Action 16%, Open World 12.4%, Sandbox 12.3%
- #58 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: Simulation 27.1%, Space 21.1%, Action 17.3%, Sci-fi 12.4%, Sandbox 7.9%