- #1 Pixel Starships
97% matchMostly Positive73% of 2,914 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.3 hrsMean: 24.8 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Space Sim 15.7% ★, Automation 15.2%, Massively Multiplayer 13.2%, Space 9.9%, Base Building 9.6%
- #2 The Last Starship
96% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 24.7% ★, Automation 18.2%, Base Building 16.5%, Space 16.3%, Sci-fi 9.3%
- #3 Starborne: Frontiers
96% matchMixed68% of 285 reviews2024
Dev: Solid Clouds hf.
Windows
Starborne: Frontiers is a free-to-play tactical autobattler with hundreds of unique ships. Form your fleet, customize it with a variety of equipment, and use strategy to create the perfect battlefield formation. Take on bounties, engage in the PvP arena, and bring order to the Frontier.
Why similar: Auto Battler 35.9%, Space Sim 30.2% ★, Space 14.4%, Sci-fi 8.1%, Strategy 7.5%
- #4 Cosmoteer: Starship Architect & Commander
94% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 31.8% ★, Space 23.2%, Sci-fi 18.6%, Strategy 8.6%, Exploration 6.2%
- #5 Star Sonata 2
95% matchMixed68% of 289 reviews2020
Dev: Landauer Games
Windows
Median: 2.1 hrsMean: 59.8 hrs≥1hr: 60%
Star Sonata 2 is a space sandbox MMO that combines elements of action, RPG, and empire creation into a truly unique MMO. Explore the sandbox style universe, build persistent bases, construct trade ships, and even fight your way to the top and claim the Emperor’s Throne!
Why similar: Space Sim 38.2% ★, Space 31.3%, Base Building 30.5%
- #6 Space Haven
93% 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 26.2% ★, Base Building 20.9%, Space 18.5%, Sci-fi 10.4%, Strategy 7.9%
- #7 Star Hunter - Infinite Lagrange
94% matchMixed57% of 1,011 reviews2021
Dev: NetEase Games
Windows
Median: 2.4 hrsMean: 92.7 hrs≥1hr: 61%
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Why similar: Massively Multiplayer 32%, Space 18.4%, Space Sim 17.4% ★, Base Building 13.3%, Strategy 10.8%
- #8 Executive Assault 2
92% matchVery Positive83% of 1,726 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 4.0 hrsMean: 8.4 hrs≥1hr: 76%
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Why similar: Space Sim 25.6% ★, RTS 22.5%, Base Building 16%, Space 13.9%, Real Time Tactics 9.1%
- #9 Outworld Station
91% matchVery Positive90% of 506 reviews2025
Dev: Trickjump Games Ltd
Windows
Median: 3.9 hrsMean: 9.1 hrs≥1hr: 70%
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
Why similar: Automation 28.7%, Base Building 18%, Space 17.6%, RTS 15.3%, Sci-fi 6.9%
- #10 Stellar Warfare
91% matchVery Positive84% of 406 reviews2021
Dev: Tense Games
Windows
Median: 42 minMean: 2.8 hrs≥1hr: 45%
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Why similar: RTS 25.8%, Space 22.2%, Wargame 19.8%, Sci-fi 12.5%, Strategy 8.6%
- #11 Subspace Discovery
89% matchMostly Positive75% of 131 reviews2023
Dev: FLICK Comp GmbH
Windows
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
Why similar: Massively Multiplayer 34.3%, Space 25.6%, Base Building 14.4%, Sci-fi 12.1%, Exploration 6.8%
- #12 VEGA Conflict
90% matchMixed58% of 4,985 reviews2015
Dev: KIXEYE
Windows · Mac
Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%
Stake your claim, command your fleets, and wage epic war in space.
Why similar: Massively Multiplayer 28.3%, Space 22.2%, RTS 16.4%, Base Building 14.7%, Strategy 7.6%
- #13 Sector Space
88% 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 52.2% ★, Simulation 14.8%, Space 10.4%, Exploration 8.9%, Pixel Graphics 7.6%
- #14 Starship Theory
89% matchMixed50% of 1,100 reviews2017
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.4 hrsMean: 15.5 hrs≥1hr: 78%
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Why similar: Base Building 36.3%, Space 29.5%, Strategy 12.3%, Sci-fi 12.1%, Simulation 9.8%
- #15 Final Factory
86% matchMostly Positive79% of 300 reviews2024
Dev: Never Games Limited
Windows · Mac
Median: 1.9 hrsMean: 7.9 hrs≥1hr: 63%
Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.
Why similar: Automation 30.4%, Base Building 18.7%, Space 14%, RTS 10.5%, Sci-fi 8.8%
- #16 Ascent - The Space Game
87% 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: Massively Multiplayer 41.4%, Space 30.2%, Strategy 10.3%, Sci-fi 9.7%, Simulation 8.4%
- #17 Starbase
86% matchMixed56% of 6,702 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 32.1% ★, Massively Multiplayer 31%, Space 18.2%, Sci-fi 9.7%, Simulation 5.7%
- #18 Shattered Void
84% matchMostly Positive71% of 90 reviews2024
Dev: yyy1505yyy
Windows · Linux
Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.
Why similar: Massively Multiplayer 36.4%, Real Time Tactics 23.9%, Space 23.8%, Sci-fi 10.3%, Simulation 5.8%
- #19 Pixel Privateers
85% matchMostly Positive71% of 881 reviews2017
Dev: Quadro DeltaPub: Re-Logic
Windows
Median: 6.0 hrsMean: 11.2 hrs≥1hr: 82%
Pixel Privateers is a Squad Based Tactical RPG “Loot ‘Em Up” that will send your team of mercenaries through a mysterious wormhole on a quest to gather technology for your employer. An entire galaxy awaits - full of worlds to explore, factions to encounter, and epic gear to collect!
Why similar: Pixel Graphics 40%, Simulation 35.7%, Sci-fi 24.3%
- #20 Star Command Galaxies
84% matchMixed43% of 508 reviews2024
Dev: Warballoon
Windows · Mac
Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.
Why similar: Space Sim 24.3% ★, RTS 21.1%, Real Time Tactics 16.3%, Space 12.5%, Sci-fi 9.4%
- #21 Elite Dangerous
82% 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 36.3% ★, Space 22.3%, Massively Multiplayer 20.7%, Sci-fi 9.4%, Exploration 5.1%
- #22 Space Wars: Interstellar Empires
83% matchMixed66% of 241 reviews2017
Dev: Desert Owl Games LLCPub: ToHeroes Game Studios LLC
Windows · Mac
Median: 1.2 hrsMean: 17.6 hrs≥1hr: 54%
Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science fiction turn-based strategy game. Select from more than 100+ diverse star ships and fight for territory across a 2D hex-based grid.
Why similar: Massively Multiplayer 63.2%, Turn-Based Tactics 20.2%, Strategy 16.7%
- #23 Void Destroyer 2
81% 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 33.8% ★, RTS 19.5%, Space 18.8%, Sci-fi 10.6%, Strategy 8%
- #24 Endless Sky
79% 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 50.4%, Space Sim 22.8% ★, Sci-fi 14%, Simulation 6.1%, Exploration 4.5%
- #25 Sid Meier's Starships
82% matchMixed50% of 2,454 reviews2015
Dev: Firaxis GamesPub: 2K
Windows · Mac
Median: 4.6 hrsMean: 7.5 hrs≥1hr: 87%
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
Why similar: Space 39.8%, Turn-Based Strategy 25.4%, Strategy 18%, Sci-fi 16.8%
- #26 Flotilla
81% matchVery Positive82% of 239 reviews2010
Dev: Blendo Games
Windows · Mac · Linux
Median: 18 minMean: 1.8 hrs≥1hr: 28%
Lead your orbital battleships to victory in Flotilla! Fight, trade, and explore new planets in your journey through the galaxy. Featuring tactically rich 3D combat, flank and surprise the enemy from any direction. When the dust settles, generate another randomized universe for a brand new adventure!
Why similar: Space Sim 25.6% ★, Space 12.6%, Roguelike 12.5%, Turn-Based Strategy 11.9%, Sci-fi 10.4%
- #27 Starship EVO
78% 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 40.1%, Space Sim 31.9% ★, Sci-fi 14.1%, Simulation 13.9%
- #28 Out of Orbit
78% matchVery Positive80% of 125 reviews2023
Dev: Case Yellow Labs
Windows
Design, build, or pirate spaceships. Build bases on planets. Explore endless randomly generated universes, travel through black holes, command your crew, survive cosmic events, collect and trade materials, battle epic bosses, and much more. The sky is the limit, literally!
Why similar: Space 32.2%, Base Building 31.1%, Strategy 18%, Exploration 9.9%, Pixel Graphics 8.7%
- #29 Prosperous Universe
77% matchMostly Positive74% of 1,030 reviews2022
Dev: simulogics
Windows
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
Why similar: Massively Multiplayer 23.3%, Space Sim 21.9% ★, Base Building 17.9%, Space 15.7%, Sci-fi 10.3%
- #30 Star Nomad 2
79% 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 37.6%, Space Sim 21.5% ★, Strategy 14%, Sci-fi 14%, Simulation 12.9%
- #31 Halcyon 6: Starbase Commander
77% matchVery Positive84% of 1,312 reviews2016
Dev: Massive Damage, Inc.
Windows · Mac · Linux
Median: 4.7 hrsMean: 6.7 hrs≥1hr: 93%
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
Why similar: Space 31.5%, Base Building 22.6%, Strategy 15.8%, Turn-Based Strategy 15.6%, Pixel Graphics 8.4%
- #32 Deep Space Battle Simulator
76% matchMostly Positive79% of 410 reviews2021
Dev: yeswecamp
Windows · Linux
Median: 42 minMean: 3.8 hrs≥1hr: 38%
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
Why similar: Space Sim 25.6% ★, RTS 17.3%, Space 15.4%, Turn-Based Strategy 11.5%, Turn-Based Tactics 9.8%
- #33 Konfronto
71% matchVery Positive90% of 113 reviews2026
Dev: Flaming Fowl Studios
Windows
A sci-fi roguelike auto-battler. Build a powerful intergalactic starship by interlocking different technologies, then battle through a galaxy populated with other players' creations.
Why similar: Auto Battler 47.8%, Roguelike 24.2%, Turn-Based Tactics 16.5%, Strategy 11.6%
- #34 Rogue Station
73% matchMostly Positive78% of 228 reviews2023
Dev: Quint Studio
Windows
This "space station builder simulation roguelite" puts you in charge of a space station. Fight off enemy ships, fleets and rival stations to dominate your corner of space. Build and upgrade your station, hire and manage your crew. Survive as long as you can.
Why similar: Base Building 23.5%, Space 22.2%, Real Time Tactics 19.5%, Roguelike 12.4%, Strategy 9.1%
- #35 Interstellar Pilot 2
72% 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 38.5% ★, Space 18.8%, Strategy 15.8%, Simulation 12.7%, Sci-fi 9.9%
- #36 Celestial Command
75% 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 40.8%, Space Sim 24.5% ★, Simulation 11.9%, Sci-fi 11.8%, Strategy 11%
- #37 Interstellaria
75% matchMixed56% of 409 reviews2015
Dev: Coldrice Games LLC
Windows · Mac · Linux
Median: 3.1 hrsMean: 4.7 hrs≥1hr: 74%
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.
Why similar: Space Sim 27.2% ★, RTS 21.6%, Space 20.6%, Sci-fi 11.1%, Pixel Graphics 6.8%
- #38 StarMade
74% matchMixed68% of 2,981 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 42.4%, Space Sim 17.7% ★, Sci-fi 13.1%, Massively Multiplayer 12.1%, Strategy 5.6%
- #39 Between the Stars
71% 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 31.7% ★, Space 31.4%, Sci-fi 10.4%, Strategy 9.3%, Simulation 8.1%
- #40 Space Impossible
73% 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: Space 76%, Pixel Graphics 24%
- #41 Meeple Station
73% matchMixed57% of 941 reviews2020
Dev: Gameclaw StudioPub: Modularity
Windows · Mac · Linux
Median: 30 minMean: 9.4 hrs≥1hr: 39%
Build your way to success! Trade your way to the top! Explore your way to infamy! Do it all your way!
Why similar: Space Sim 27.1% ★, Space 24.1%, Base Building 23.1%, Strategy 10.2%, Pixel Graphics 8%
- #42 Star Traders: Frontiers
71% matchVery Positive84% of 3,754 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.3 hrsMean: 24.5 hrs≥1hr: 74%
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Why similar: Space Sim 40.2% ★, Space 21%, Sci-fi 20.3%, Strategy 9.9%, Simulation 8.6%
- #43 Airship: Kingdoms Adrift
70% matchMostly Positive76% of 1,027 reviews2023
Dev: Revolution IndustryPub: indie.io
Windows
Median: 6.2 hrsMean: 22.1 hrs≥1hr: 79%
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
Why similar: Real Time Tactics 39.3%, Space Sim 38.2% ★, Strategy 9.8%, Simulation 7%, 3D 5.6%
- #44 Industrial Annihilation
72% matchMostly Negative33% of 410 reviews2024
Dev: Galactic Annihilation
Windows
The next major game in the Planetary Annihilation universe, Industrial Annihilation combines the iconic real-time strategy of the beloved Annihilation games with deep factory-building to deliver a blend of genres unlike any you’ve experienced before.
Why similar: RTS 25.1%, Wargame 21.5%, Automation 18.3%, Strategy 12.3%, Base Building 11.6%
- #45 Shallow Space
74% matchMostly Negative25% of 231 reviews2015
Windows · Mac · Linux
Median: 3.8 hrsMean: 5.0 hrs≥1hr: 95%
Construct your Taskforce and lead your forces to domination in the ultimate Fleet Warfare RTS!
Why similar: Space 33.9%, RTS 28.8%, Strategy 17.4%, Simulation 10.5%, Sci-fi 9.5%
- #46 ERA ONE
66% matchVery Positive86% of 1,348 reviews2025
Dev: Team Complex LTD
Windows
Median: 3.4 hrsMean: 14.0 hrs≥1hr: 67%
Era One is an innovative space game that combines elements of real-time strategy, base building, space survival, and tactical battles. Players can create and customize their bases from scratch, construct various types of structures and warships, manage fleets, and engage in tactical space battles.
Why similar: RTS 21.9%, Real Time Tactics 21.6%, Space 18.4%, Base Building 17.2%, Strategy 6.5%
- #47 Starfighter: Infinity
69% matchVery Positive91% of 129 reviews2019
Dev: Ben Olding Games
Windows · Mac · Linux
A space based MMORPG with a focus on ‘dogfighting’ style action and exploration. Features a huge array of ships, imaginative weapons and ship upgrades with more being added all the time. Explore the galaxy, fight other players, form your own organisations, mine asteroids to craft new items, loot rare weapons from alien races, and more...
Why similar: Massively Multiplayer 77.7%, Space 22.3%
- #48 Istrolid
69% matchVery Positive87% of 2,684 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.8 hrs≥1hr: 50%
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Why similar: Space 38%, RTS 29.4%, Strategy 18.4%, Sci-fi 11.8%, Pixel Graphics 2.4%
- #49 Project Entropy
69% matchMixed52% of 220 reviews2024
Dev: FunPlus International AG
Windows
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Why similar: Base Building 31%, Wargame 25.8%, Sci-fi 19.3%, Strategy 13.7%, Simulation 10.2%
- #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 38.3%, Roguelike 17.4%, Strategy 15.1%, Sci-fi 13.4%, Exploration 8%
- #51 Voidship: The Long Journey
70% matchMostly Positive74% of 148 reviews2019
Dev: Cydonian Games
Windows
Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!
Why similar: Space 33.9%, Strategy 23%, Sci-fi 20.4%, Simulation 16.6%, Exploration 6%
- #52 星际工业国:崛起
67% matchVery Positive90% of 143 reviews2023
Dev: 游戏养家工作室Pub: 跪求愿望
Windows
This is a idle game modeled on industrial building gameplay. It will be three-dimensional, complex industrial assembly line, easy, simple plane conveyor belt. At the same time to join the battleship assembly, space campaign, character development, giant construction, trade orders and other gameplay!
Why similar: Automation 40.8%, Space Sim 32.8% ★, Space 22.1%, Strategy 4.3%
- #53 Definya 2D MMORPG
68% matchMixed66% of 64 reviews2023
Dev: Definya: 2D MMORPG Online
Windows
Fantasy 2D Retro Pixel Anime MMORPG — Crafting, Open-World, Sandbox — PVP & PvE
Why similar: Exploration 55.7%, Pixel Graphics 44.3%
- #54 SpaceBourne 2
65% 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 42.3% ★, Base Building 26%, Space 20.6%, 3D 5.6%, Strategy 5.4%
- #55 Space Engineers 2
65% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Space Sim 31.4% ★, Space 27.8%, Sci-fi 16%, Strategy 9.3%, Simulation 8%
- #56 FTL: Faster Than Light
66% matchOverwhelmingly Positive95% of 77,568 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 33.7 hrs≥1hr: 89%
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Why similar: Space 29.6%, Roguelike 25.2%, Space Sim 18.3% ★, Sci-fi 13.6%, Strategy 9.8%
- #57 STAR FLEET II - Krellan Commander Version 2.0
66% matchVery Positive97% of 67 reviews2023
Dev: Trevor Sorensen, Mark BaldwinPub: Trevor Sorensen
Windows
Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!
Why similar: Space Sim 28.5% ★, Real Time Tactics 14.9%, RTS 12.4%, Space 11.9%, Strategy 9.6%
- #58 Space Commander: War and Trade
68% 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 38.4% ★, Base Building 27.6%, Space 15.4%, Exploration 7.6%, Sci-fi 6.5%