- #1 Executive Assault 2
97% 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: RTS 26.4%, Action RTS 21.3% ★, Base Building 15.8%, Space 13.3%, Real Time Tactics 12.5%
Why You'll Like It: It perfectly mirrors the hybrid RTS and base-building gameplay by allowing players to command fleets while personally engaging in combat.
- #2 Cosmoteer: Starship Architect & Commander
96% 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 40.5%, Sci-fi 16.8%, Exploration 16.6%, Strategy 13.6%, Online Co-Op 10.1%
Why You'll Like It: This game features deep ship design mechanics combined with tactical combat that aligns closely with the customization focus of Era One.
- #3 Homeworld 3
96% matchMixed41% of 8,530 reviews2024
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows
Median: 4.8 hrsMean: 58.0 hrs≥1hr: 73%
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
Why similar: RTS 37.9%, Space 27%, Female Protagonist 8.9%, Strategy 8.9%, Sci-fi 6.5%
Why You'll Like It: As a premier space RTS, it offers the high-fidelity tactical fleet management and strategic depth found in Era One.
- #4 Sins of a Solar Empire II
95% matchVery Positive84% of 8,167 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 28.7 hrs≥1hr: 85%
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
Why similar: RTS 29.7%, Space 27.2%, Base Building 11.3%, PvP 9.5%, Strategy 9.1%
Why You'll Like It: It provides a massive-scale space strategy experience that emphasizes fleet logistics and tactical warfare.
- #5 NEBULOUS: Fleet Command
94% matchVery Positive81% of 3,819 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 4.9 hrsMean: 30.4 hrs≥1hr: 77%
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Why similar: RTS 52.3%, Sandbox 31.4%, Strategy 14.8%, Singleplayer 1.6%
Why You'll Like It: This title focuses on realistic, tactical fleet combat that rewards careful positioning and strategic planning.
- #6 Stellar Warfare
94% 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 34.4%, Space 24.3%, PvP 13.9%, Strategy 8.5%, Sci-fi 7.1%
Why You'll Like It: This game allows for extensive customization of warships and base structures within a real-time strategy framework.
- #7 Avorion
93% 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: Vehicular Combat 25.5% ★, Space 25.4%, Sandbox 23.7%, Exploration 12.6%, Sci-fi 6.9%
Why You'll Like It: It offers a vast sandbox exploration experience with a heavy emphasis on building unique, modular spaceships.
- #8 Rogue Command
92% matchVery Positive92% of 546 reviews2024
Dev: feneq
Windows
Classic RTS gameplay fused with a modern roguelite. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Why similar: Action RTS 36.1% ★, RTS 22.4%, Base Building 15.4%, Space 13.9%, Strategy 5.5%
Why You'll Like It: It introduces roguelite elements to the RTS genre, providing a fresh take on tactical base-building and combat.
- #9 Desynced
91% matchVery Positive81% of 1,825 reviews2026
Dev: Stage Games Inc.Pub: Forklift Interactive
Windows
Median: 4.2 hrsMean: 19.3 hrs≥1hr: 77%
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
Why similar: RTS 30%, Base Building 23.6%, Sandbox 19.2%, Strategy 8.2%, Sci-fi 6.3%
Why You'll Like It: This game combines base-building with automation and programming, appealing to players who enjoy the technical side of Era One.
- #10 Space Haven
91% 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: Base Building 27.6%, Space 23.6%, Sandbox 21.7%, Exploration 10.3%, Strategy 9.2%
Why You'll Like It: It excels at the base-building and management aspects of space survival, requiring players to build and maintain functional ships.
- #11 TerraTech Worlds
89% matchMixed63% of 2,175 reviews2024
Dev: Payload StudiosPub: Mythwright
Windows
Median: 7.6 hrsMean: 22.1 hrs≥1hr: 86%
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Why similar: Base Building 29%, Sandbox 22.2%, Vehicular Combat 17.6% ★, Space 12.7%, Exploration 10.9%
Why You'll Like It: This sandbox game focuses on building and customizing vehicles and bases in an open-world environment.
- #12 Falling Frontier
90% matchNo user reviews
Dev: Stutter Fox StudiosPub: Hooded Horse
Windows
Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.
Why similar: Space 35.3%, Sandbox 26.7%, Exploration 14.5%, Strategy 12.3%, Sci-fi 10%
Why You'll Like It: It is a highly anticipated tactical space RTS that prioritizes realistic ship design and complex combat scenarios.
- #13 Silica
88% matchMostly Positive76% of 4,752 reviews2023
Dev: Martin 'Dram' MelichárekPub: Bohemia Interactive
Windows
Median: 2.9 hrsMean: 7.9 hrs≥1hr: 75%
Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?
Why similar: RTS 33.1%, Vehicular Combat 29.2% ★, PvP 14.4%, Strategy 7.9%, Sci-fi 5.8%
Why You'll Like It: It offers a unique blend of RTS and FPS gameplay, allowing players to switch between commanding units and direct combat.
- #14 Homeworld: Deserts of Kharak
89% matchMostly Positive79% of 8,793 reviews2016
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows · Mac
Median: 5.0 hrsMean: 9.6 hrs≥1hr: 87%
A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.
Why similar: RTS 50.7%, Strategy 14.7%, Space 12.7%, Sci-fi 8.5%, Female Protagonist 6.8%
Why You'll Like It: It provides a grounded, tactical RTS experience that serves as a masterclass in unit positioning and strategy.
- #15 Void Destroyer 2
87% 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: RTS 29.5%, Space 23.3%, Sandbox 23%, Strategy 9%, Sci-fi 6.8%
Why You'll Like It: This title blends space simulation with RTS elements, allowing players to command fleets while participating in dogfights.
- #16 Starship EVO
86% 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 48.6%, Sandbox 36.2%, Sci-fi 8.9%, Action 6.3%
Why You'll Like It: This game provides a highly detailed sandbox environment for building and testing complex starships.
- #17 Tempest Rising
84% matchVery Positive88% of 10,866 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 4.0 hrsMean: 10.1 hrs≥1hr: 84%
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
Why similar: RTS 57.5%, Base Building 14.1%, Strategy 13.6%, Action RTS 9.5% ★, PvP 2.9%
Why You'll Like It: This title offers a classic RTS experience with modern base-building mechanics that feel familiar to strategy fans.
- #18 WARSHIFT
86% matchMostly Positive71% of 697 reviews2016
Dev: Cyril Megem
Windows
Median: 2.5 hrsMean: 3.6 hrs≥1hr: 78%
Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.
Why similar: RTS 65.8%, Strategy 20.2%, Sci-fi 9.1%, Action 5%
Why You'll Like It: This title blends RTS, RPG, and action elements, offering a dynamic approach to space combat and base management.
- #19 Stationeers
84% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Base Building 34.2%, Space 29.7%, Sandbox 27.1%, Sci-fi 9%
Why You'll Like It: This game focuses on the complex, granular aspects of base-building and survival in space environments.
- #20 Space Engineers
83% matchVery Positive89% of 133,238 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Base Building 22.8%, Space 21.6%, Sandbox 19.3%, PvP 15.5%, Exploration 10%
Why You'll Like It: It is the definitive sandbox game for building, engineering, and surviving in space with complex construction mechanics.
- #21 Celestial Command
85% 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 49%, Sandbox 28.2%, Strategy 12%, Sci-fi 7.3%, Action 3.4%
Why You'll Like It: It features physics-based ship building and space exploration, emphasizing the technical challenges of space survival.
- #22 X4: Foundations
82% 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 31.7%, Sandbox 30.1%, Exploration 15.3%, Strategy 7.9%, Sci-fi 6.7%
Why You'll Like It: This game offers a deep space simulation experience with significant focus on fleet management and station building.
- #23 Empyrion - Galactic Survival
82% 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 29.7%, Sandbox 22.7%, PvP 17.5%, Exploration 13.2%, Strategy 8.5%
Why You'll Like It: It combines base-building, exploration, and survival in a vast, open-world space setting.
- #24 From the Depths
81% matchVery Positive89% of 12,523 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.6 hrs≥1hr: 81%
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
Why similar: Vehicular Combat 24% ★, RTS 21.9%, Gun Customization 20.8% ★, Sandbox 15%, Space 12.9%
Why You'll Like It: This game provides unparalleled complexity in vehicle building and tactical combat simulation.
- #25 Eternal Starlight VR
81% matchVery Positive91% of 75 reviews2021
Dev: White Noise Games
Windows
Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.
Why similar: Action RTS 29.7% ★, RTS 24.9%, Real Time Tactics 18.7%, Space 15.7%, Strategy 5.9%
Why You'll Like It: It brings tactical space RTS gameplay to a VR environment, offering a unique perspective on fleet command.
- #26 Reassembly
79% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Space 41.4%, Sandbox 33.4%, Strategy 10.9%, Exploration 6.5%, Sci-fi 4.2%
Why You'll Like It: It features modular ship design and tactical combat in a procedurally generated galaxy.
- #27 Space Reign
77% matchMostly Positive76% of 377 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Action RTS 24% ★, Real Time Tactics 20.5%, RTS 14.8%, Space 13.4%, Vehicular Combat 10.9% ★
- #28 Outworld Station
77% 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: RTS 22.7%, Base Building 22.6%, Space 21.4%, Sandbox 15.9%, Strategy 5.9%
- #29 Calyx
76% matchVery Positive89% of 308 reviews2026
Dev: Studio 568
Windows
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
Why similar: Action RTS 28.5% ★, RTS 18.2%, Real Time Tactics 17.8%, Base Building 13.2%, Space 11.3%
- #30 Base One
80% matchMostly Negative38% of 478 reviews2021
Dev: PixFrozePub: Blowfish Studios
Windows · Mac
Base One is a space base builder game where you take control of a network of space stations and its crew's tasks and wellbeing. Maintain your resources and defenses as you navigate the wide array of dangers ahead of you!
Why similar: Space 33.5%, Exploration 24.1%, Strategy 19.1%, 3D 12.4%, Sci-fi 10.9%
Why You'll Like It: It is a dedicated space station building and management game that emphasizes resource logistics.
- #31 Interstellar Rift
78% 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: Sandbox 25.3%, Space 25.2%, PvP 19.7%, Exploration 13.9%, Sci-fi 7.1%
Why You'll Like It: This game focuses on ship construction and space station management in a multiplayer-friendly environment.
- #32 VEGA Conflict
79% 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: Space 22.9%, RTS 20.7%, Base Building 15.7%, Sandbox 12.6%, PvP 9.7%
Why You'll Like It: This game provides a persistent, massively multiplayer space strategy experience with a focus on fleet customization.
- #33 Space Engineers 2
75% 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 33.2%, Sandbox 31.5%, Exploration 13.9%, Strategy 10.1%, Sci-fi 9.9%
- #34 Starpoint Gemini Warlords
78% 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 34.2%, Base Building 24.6%, Sandbox 21.2%, Strategy 10.6%, Sci-fi 8.3%
Why You'll Like It: It blends space RPG elements with RTS-style fleet management and territory control.
- #35 The Last Starship
75% 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: Base Building 26.3%, Space 25.1%, Sandbox 22.6%, Strategy 9.3%, Exploration 8.3%
- #36 StarRupture
74% 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: Base Building 37.5%, Sandbox 27%, Exploration 14.7%, Sci-fi 9.1%, Online Co-Op 7.7%
- #37 PERIMETER: Legate Edition
73% matchVery Positive92% of 139 reviews2024
Dev: K-D LabPub: Association K-D Lab
Windows · Linux
Perimeter is a real-time strategy game with a destructible world. Utilize the environment for resource gathering and defense against enemies. Immerse yourself in the millennia-spanning history of the Chains of Worlds and lead a faction in the struggle for survival.
Why similar: Action RTS 36.7% ★, RTS 22.8%, Space 12.2%, Strategy 6.3%, PvP 6%
- #38 Executive Assault
74% matchVery Positive85% of 1,455 reviews2015
Dev: Hesketh Studios Ltd
Windows
Median: 3.4 hrsMean: 7.1 hrs≥1hr: 78%
Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.
Why similar: RTS 51.4%, Base Building 21.2%, Strategy 14.8%, Sci-fi 5.6%, Sandbox 3.2%
- #39 Stellarcraft
70% matchVery Positive91% of 99 reviews2026
Dev: DreamStudios
Windows
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀
Why similar: Action RTS 28.4% ★, Real Time Tactics 18.7%, RTS 13.5%, Base Building 13.2%, PvP 9.4%
- #40 StarMade
73% 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 44.1%, Sandbox 34.2%, Exploration 7.2%, Sci-fi 7.1%, Strategy 5.3%
- #41 Grey Goo
72% matchMixed68% of 4,315 reviews2015
Dev: PetroglyphPub: Six Foot
Windows
Median: 5.2 hrsMean: 8.8 hrs≥1hr: 90%
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
Why similar: RTS 52.5%, Base Building 17%, Strategy 13.8%, Sci-fi 8.1%, Space 4.7%
- #42 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 39.3%, Sandbox 35.2%, Exploration 11.2%, Sci-fi 10.9%, Action 3.4%
- #43 Final Factory
70% 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: Base Building 24.3%, Sandbox 17.6%, Space 17.6%, RTS 16.2%, Exploration 8.7%
- #44 Five Nations
71% matchVery Positive83% of 265 reviews2021
Dev: SilverForge
Windows
Five Nations is a real-time sci-fi strategy game for PC platform. Encompassing tactical combat in space in real-time mixed with micromanagement of economy, construction, and production featuring different kind of single player modes.
Why similar: Action RTS 36.4% ★, RTS 27.5%, Space 12.9%, Base Building 7.9%, Strategy 7.8%
- #45 BattleGroupVR
68% matchVery Positive92% of 943 reviews2023
Dev: SpaceOwl Games
Windows · Linux
Median: 1.7 hrsMean: 4.4 hrs≥1hr: 62%
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
Why similar: RTS 26.6%, Real Time Tactics 26.1%, Space 20.6%, PvP 12.1%, Strategy 6.5%
- #46 Starship Theory
72% 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 44.4%, Space 35%, Strategy 13.2%, Sci-fi 7.5%
- #47 Etherium
73% matchMostly Negative37% of 953 reviews2015
Dev: Tindalos InteractivePub: Focus Entertainment
Windows
Median: 3.4 hrsMean: 4.2 hrs≥1hr: 90%
Etherium is a real-time strategy game set in a science-fiction universe, where three factions battle it out for a mysterious and rare resource known as ‘Etherium’.
Why similar: RTS 41.7%, Strategy 19.7%, Space 19.3%, Sci-fi 18.2%, Action 0.7%
- #48 Void Destroyer
71% matchMixed60% of 351 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.0 hrs≥1hr: 30%
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
Why similar: Space 38.5%, RTS 31.5%, Strategy 17.7%, Sci-fi 7.8%, Action 4.4%
- #49 Byte Lynx
68% matchVery Positive98% of 88 reviews2022
Dev: Artful Games
Windows
Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!
Why similar: Action RTS 31.6% ★, RTS 20.2%, Real Time Tactics 15.5%, Base Building 15.5%, Space 7.3%
- #50 The Crust
67% matchMostly Positive77% of 3,397 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 22.5 hrs≥1hr: 83%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Base Building 24.8%, Space 22.2%, RTS 17.3%, Sandbox 17%, Exploration 7.1%
- #51 Eden Crafters
66% matchVery Positive86% of 2,214 reviews2024
Dev: Osaris Games
Windows
Median: 4.5 hrsMean: 13.5 hrs≥1hr: 79%
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
Why similar: Base Building 29.3%, Sandbox 21.9%, Space 19%, Exploration 8.7%, Online Co-Op 6.7%
- #52 Earth 2160
70% matchMostly Positive73% of 1,542 reviews2006
Dev: Reality Pump StudiosPub: Topware Interactive
Windows · Mac · Linux
Median: 4.9 hrsMean: 9.8 hrs≥1hr: 93%
After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.
Why similar: RTS 36.8%, Base Building 27.4%, Space 25.5%, Strategy 9%, Sci-fi 0.9%
- #53 Industrial Annihilation
69% 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 49.6%, Base Building 19.2%, Strategy 17.9%, 3D 6.6%, Sci-fi 6.3%
- #54 Homeworld Remastered Collection
68% matchVery Positive88% of 13,977 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.6 hrsMean: 34.0 hrs≥1hr: 85%
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
Why similar: RTS 40.2%, Space 35.9%, Strategy 10.8%, Sci-fi 7%, Story Rich 4.5%
- #55 Line War
67% matchVery Positive80% of 1,158 reviews2022
Dev: Studio Centurion
Windows
Median: 2.9 hrsMean: 10.3 hrs≥1hr: 71%
A new type of RTS with elements from 4X, Wargame, and Real-Time Tactics. Draw commands and execute a superior strategy to defeat your opponent, focusing on high-level decisions rather than constant micromanagement.
Why similar: Action RTS 32.8% ★, RTS 21.5%, Real Time Tactics 21.1%, PvP 9.3%, Base Building 7.9%
- #56 Astro Colony
66% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Base Building 36%, Space 28.6%, Sandbox 17.4%, Strategy 8.5%, Exploration 7.4%
- #57 Annihilate The Spance
65% matchVery Positive91% of 338 reviews2025
Dev: Skyglow Softworks
Windows
The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses. An RTS base builder with huge battles, constant production, and autonomous ships.
Why similar: RTS 33.6%, Base Building 26.9%, Space 24.3%, Strategy 7%, Sci-fi 5.1%
- #58 Distant Worlds 2
66% matchMostly Positive71% of 3,478 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 9.3 hrsMean: 42.6 hrs≥1hr: 75%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: Space 47.4%, Strategy 28.8%, Sci-fi 14.7%, 3D 7.9%, Singleplayer 1.3%