- #1 Executive Assault 2
97% matchVery Positive83% of 1,751 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.7 hrsMean: 8.2 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 26.5%, Action RTS 20.9% ★, Base Building 15.8%, Space 14%, Real Time Tactics 12.2%
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 Positive94% of 12,715 reviews2022
Dev: Walternate Realities
Windows
Median: 19.5 hrsMean: 41.2 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 42.2%, Sci-fi 16.8%, Exploration 16%, Strategy 13.1%, Online Co-Op 9.6%
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 8,650 reviews2024
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows
Median: 4.8 hrsMean: 62.6 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 37.6%, Space 28.3%, Female Protagonist 8.6%, Strategy 8.6%, Sci-fi 6.6%
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 NEBULOUS: Fleet Command
95% matchVery Positive81% of 4,297 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 5.1 hrsMean: 31.7 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 38.9%, Space 26.6%, Sandbox 22.7%, Strategy 10.7%, Singleplayer 1.1%
Why You'll Like It: This title focuses on realistic, tactical fleet combat that rewards careful positioning and strategic planning.
- #5 Sins of a Solar Empire II
94% matchVery Positive84% of 8,475 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.9 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 29.5%, Space 28.5%, Base Building 11.1%, PvP 9.2%, Strategy 8.8%
Why You'll Like It: It provides a massive-scale space strategy experience that emphasizes fleet logistics and tactical warfare.
- #6 Rogue Command
93% matchVery Positive90% of 926 reviews2026
Dev: feneq
Windows
Median: 3.7 hrsMean: 15.4 hrs≥1hr: 69%
True RTS gameplay reinforced with roguelite build crafting. Control units with bullet-time precision. Call down bases and raise armies. Drafted from a different arsenal every run. Weave builds that break the game. Or the game breaks you.
Why similar: Action RTS 35.5% ★, RTS 22.4%, Base Building 15.4%, Space 14.6%, Strategy 5.4%
Why You'll Like It: It introduces roguelite elements to the RTS genre, providing a fresh take on tactical base-building and combat.
- #7 Stellar Warfare
94% matchVery Positive83% of 419 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 26.3%, Real Time Tactics 25.1%, Space 18.8%, Base Building 16.4%, Strategy 6.1%
Why You'll Like It: This game allows for extensive customization of warships and base structures within a real-time strategy framework.
- #8 Avorion
92% matchVery Positive90% of 14,488 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.5 hrsMean: 99.0 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 26.9%, Vehicular Combat 24.9%, Sandbox 23.3%, Exploration 12.2%, Sci-fi 7%
Why You'll Like It: It offers a vast sandbox exploration experience with a heavy emphasis on building unique, modular spaceships.
- #9 Desynced
91% matchMostly Positive80% of 1,999 reviews2026
Dev: Stage Games Inc.Pub: Forklift Interactive
Windows
Median: 4.5 hrsMean: 19.1 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 30.3%, Base Building 23.9%, Sandbox 18.9%, Strategy 8.1%, Sci-fi 6.4%
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 TerraTech Worlds
91% matchMixed63% of 2,256 reviews2024
Dev: Payload StudiosPub: Mythwright
Windows
Median: 7.3 hrsMean: 21.6 hrs≥1hr: 85%
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 29.1%, Sandbox 21.9%, Vehicular Combat 17.4%, Space 13.4%, Exploration 10.7%
Why You'll Like It: This sandbox game focuses on building and customizing vehicles and bases in an open-world environment.
- #11 Space Haven
89% matchVery Positive86% of 10,886 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 hrs≥1hr: 71%
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 25.6%, Sandbox 20.7%, Exploration 9.6%, Strategy 8.8%
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.
- #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 37.2%, Sandbox 25.8%, Exploration 13.9%, Strategy 11.9%, Sci-fi 10.1%
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 4,831 reviews2023
Dev: Martin 'Dram' MelichárekPub: Bohemia Interactive
Windows
Median: 3.1 hrsMean: 8.6 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 33.7%, Vehicular Combat 28.8%, PvP 14.3%, Strategy 7.8%, Sci-fi 5.9%
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 8,876 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 50.6%, Strategy 14.4%, Space 13.5%, Sci-fi 8.6%, Female Protagonist 6.5%
Why You'll Like It: It provides a grounded, tactical RTS experience that serves as a masterclass in unit positioning and strategy.
- #15 Starship EVO
87% matchVery Positive84% of 1,485 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 58%
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 51.6%, Sandbox 34.6%, Sci-fi 8.3%, Action 5.6%
Why You'll Like It: This game provides a highly detailed sandbox environment for building and testing complex starships.
- #16 Void Destroyer 2
86% matchVery Positive80% of 672 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 15.3 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 29.4%, Space 24.4%, Sandbox 22.4%, Strategy 8.7%, 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.
- #17 Tempest Rising
84% matchVery Positive88% of 11,543 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 3.8 hrsMean: 9.7 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 57.8%, Base Building 14.2%, Strategy 13.4%, Action RTS 9.4% ★, 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 Stationeers
84% matchVery Positive88% of 9,110 reviews2017
Dev: RocketWerkz
Windows
Median: 9.9 hrsMean: 83.8 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 33.8%, Space 30.9%, Sandbox 26.3%, Sci-fi 9%
Why You'll Like It: This game focuses on the complex, granular aspects of base-building and survival in space environments.
- #19 Celestial Command
86% matchMixed62% of 701 reviews2014
Dev: Science Interactive
Windows · 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 50.6%, Sandbox 27.2%, Strategy 11.5%, 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.
- #20 Space Engineers
83% matchVery Positive89% of 133,963 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.1 hrs≥1hr: 88%
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 22.7%, Sandbox 19%, PvP 15.3%, Exploration 9.7%
Why You'll Like It: It is the definitive sandbox game for building, engineering, and surviving in space with complex construction mechanics.
- #21 WARSHIFT
85% matchMostly Positive71% of 698 reviews2016
Dev: Cyril Megem
Windows
Median: 2.6 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 66.2%, Strategy 19.7%, 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.
- #22 From the Depths
82% matchVery Positive89% of 12,716 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.7 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 23.5%, RTS 22%, Gun Customization 20.9%, Sandbox 14.8%, Space 13.6%
Why You'll Like It: This game provides unparalleled complexity in vehicle building and tactical combat simulation.
- #23 Empyrion - Galactic Survival
82% matchMostly Positive78% of 34,271 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.9 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 31.2%, Sandbox 22.2%, PvP 17.1%, Exploration 12.8%, Strategy 8.3%
Why You'll Like It: It combines base-building, exploration, and survival in a vast, open-world space setting.
- #24 Eternal Starlight VR
81% matchVery Positive91% of 76 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 29.1% ★, RTS 24.9%, Real Time Tactics 18.4%, Space 16.6%, Strategy 5.7%
Why You'll Like It: It brings tactical space RTS gameplay to a VR environment, offering a unique perspective on fleet command.
- #25 Reassembly
80% matchVery Positive94% of 4,079 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 43.1%, Sandbox 32.4%, Strategy 10.5%, Exploration 6.2%, Sci-fi 4.2%
Why You'll Like It: It features modular ship design and tactical combat in a procedurally generated galaxy.
- #26 X4: Foundations
79% matchMostly Positive80% of 29,356 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.8 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space 34.2%, Sandbox 24.4%, Exploration 13%, Strategy 9.8%, Sci-fi 8.6%
Why You'll Like It: This game offers a deep space simulation experience with significant focus on fleet management and station building.
- #27 Starminer
77% matchMostly Positive75% of 1,757 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 6.3 hrsMean: 13.6 hrs≥1hr: 82%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: RTS 25%, Space 22.1%, Sandbox 19.9%, Base Building 17.6%, Exploration 8.9%
- #28 Base One
81% 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 35.1%, Exploration 23.3%, Strategy 18.6%, 3D 12%, Sci-fi 11%
Why You'll Like It: It is a dedicated space station building and management game that emphasizes resource logistics.
- #29 Space Reign
77% matchMostly Positive74% of 453 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 23.8% ★, Real Time Tactics 20.3%, RTS 14.7%, Space 14.1%, Vehicular Combat 10.8%
- #30 Calyx
76% matchVery Positive88% of 408 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 28.1% ★, RTS 18.3%, Real Time Tactics 17.6%, Base Building 13.2%, Space 11.9%
- #31 Interstellar Rift
78% matchMixed68% of 1,663 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.4 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 26.5%, Sandbox 24.8%, PvP 19.3%, Exploration 13.5%, Sci-fi 7.2%
Why You'll Like It: This game focuses on ship construction and space station management in a multiplayer-friendly environment.
- #32 Starpoint Gemini Warlords
78% matchMostly Positive73% of 3,584 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.9 hrs≥1hr: 87%
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 35.5%, Base Building 24.3%, Sandbox 20.6%, Strategy 10.2%, Sci-fi 8.3%
Why You'll Like It: It blends space RPG elements with RTS-style fleet management and territory control.
- #33 Outworld Station
74% matchVery Positive85% of 799 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 4.1 hrsMean: 10.8 hrs≥1hr: 69%
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: Base Building 22.7%, Space 22.4%, RTS 22.3%, Sandbox 15.3%, Strategy 5.7%
- #34 Space Engineers 2
75% matchMostly Positive75% of 4,798 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 8.1 hrs≥1hr: 60%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Space 35%, Sandbox 30.9%, Exploration 13.3%, Sci-fi 9.9%, Strategy 9.7%
- #35 The Last Starship
74% matchMostly Positive75% of 1,617 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.9 hrsMean: 11.4 hrs≥1hr: 80%
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 26.2%, Space 26.2%, Sandbox 22%, Strategy 9.1%, Exploration 7.9%
- #36 Executive Assault
76% matchVery Positive85% of 1,457 reviews2015
Dev: Hesketh Studios Ltd
Windows
Median: 3.4 hrsMean: 7.0 hrs≥1hr: 79%
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 51.6%, Base Building 21.2%, Strategy 14.5%, Sci-fi 5.7%, Action 3.2%
- #37 StarRupture
71% matchVery Positive81% of 12,866 reviews2026
Dev: Creepy Jar
Windows
Median: 6.7 hrsMean: 24.2 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 38%, Sandbox 26.7%, Exploration 14.4%, Sci-fi 9.4%, Online Co-Op 7.5%
- #38 Stellarcraft
71% matchVery Positive91% of 101 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 28.1% ★, Real Time Tactics 18.6%, RTS 13.6%, Base Building 13.3%, PvP 9.8%
- #39 SpaceCraft
70% matchMixed67% of 2,264 reviews2026
Dev: Shiro Games
Windows
Median: 13.9 hrsMean: 37.2 hrs≥1hr: 91%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Space 26.1%, Base Building 22.4%, Sandbox 20%, PvP 13.5%, Exploration 10.4%
- #40 PERIMETER: Legate Edition
71% matchVery Positive93% of 149 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 36.2% ★, RTS 22.9%, Space 12.9%, Strategy 6.1%, PvP 6%
- #41 Grey Goo
73% matchMixed68% of 4,322 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 52.6%, Base Building 17.1%, Strategy 13.4%, Sci-fi 8.2%, Space 4.9%
- #42 Starbase
72% matchMixed56% of 6,734 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.4 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 40.8%, Sandbox 34.2%, Sci-fi 10.9%, Exploration 10.7%, Action 3.4%
- #43 StarMade
73% matchMixed68% of 2,989 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 45.8%, Sandbox 33.1%, Sci-fi 7.1%, Exploration 6.9%, Strategy 5.1%
- #44 Five Nations
72% matchVery Positive83% of 268 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 35.5% ★, RTS 27.4%, Space 13.6%, Base Building 7.9%, Strategy 7.6%
- #45 BattleGroupVR
70% matchVery Positive92% of 946 reviews2023
Dev: SpaceOwl Games
Windows · Linux
Median: 1.6 hrsMean: 4.3 hrs≥1hr: 60%
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 26.5%, Real Time Tactics 25.6%, Space 21.5%, PvP 11.9%, Strategy 6.3%
- #46 Starship Theory
69% matchMixed50% of 1,119 reviews2026
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.0 hrsMean: 14.9 hrs≥1hr: 75%
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 43.7%, Space 36.2%, Strategy 12.7%, Sci-fi 7.4%
- #47 Void Destroyer
73% matchMixed59% of 352 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.3 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 39.9%, RTS 31%, Strategy 17%, Sci-fi 7.8%, Action 4.4%
- #48 The Crust
68% matchMostly Positive77% of 3,637 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 6.9 hrsMean: 23.8 hrs≥1hr: 82%
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 23.2%, RTS 17.2%, Sandbox 16.5%, Exploration 6.8%
- #49 Final Factory
69% matchMostly Positive79% of 305 reviews2024
Dev: Never Games Limited
Windows · Mac
Median: 2.0 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 24.2%, Space 18.8%, Sandbox 17.2%, RTS 16.1%, Exploration 8.4%
- #50 Solar Expanse - Space Exploration Manager
65% matchVery Positive88% of 1,153 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.8 hrsMean: 14.6 hrs≥1hr: 77%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Space 37.9%, Sandbox 28.3%, Exploration 8.6%, Sci-fi 8.4%, Strategy 8.4%
- #51 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 31.2% ★, RTS 20.3%, Base Building 15.5%, Real Time Tactics 15.4%, Space 7.7%
- #52 Industrial Annihilation
69% matchMostly Negative31% of 436 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 49.9%, Base Building 19.3%, Strategy 17.6%, 3D 6.5%, Sci-fi 6.4%
- #53 Annihilate The Spance
66% matchVery Positive91% of 354 reviews2025
Dev: Skyglow Softworks
Windows
An RTS base builder with huge battles, constant production, and autonomous ships. 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.
Why similar: RTS 33.4%, Base Building 26.6%, Space 25.1%, Strategy 6.7%, Sci-fi 5.1%
- #54 Homeworld Remastered Collection
67% matchVery Positive88% of 14,093 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.7 hrsMean: 34.4 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 39.5%, Space 37.2%, Strategy 10.4%, Sci-fi 7%, Story Rich 4.3%
- #55 Line War
67% matchMostly Positive80% of 1,175 reviews2022
Dev: Studio Centurion
Windows
Median: 3.0 hrsMean: 10.6 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 32.5% ★, RTS 21.9%, Real Time Tactics 21.1%, PvP 9.2%, Base Building 8%
- #56 TerraTech
66% matchVery Positive91% of 24,767 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.2 hrsMean: 32.8 hrs≥1hr: 90%
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
Why similar: Sandbox 38.1%, Vehicular Combat 24.7%, Exploration 10.7%, PvP 10.7%, Strategy 7.5%
- #57 Outlive 25
63% matchVery Positive95% of 247 reviews2026
Dev: Continuum EntertainmentPub: CriticalLeap
Windows
Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.
Why similar: RTS 38.3%, Base Building 20.2%, PvP 15.5%, Space 13.9%, Strategy 7.2%
- #58 Distant Worlds 2
66% matchMostly Positive71% of 3,527 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.6 hrsMean: 41.2 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: Space 49%, Strategy 27.6%, Sci-fi 14.6%, 3D 7.5%, Singleplayer 1.2%