- #1 IXION
97% matchMostly Positive79% of 17,015 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 10.0 hrsMean: 31.1 hrs≥1hr: 90%
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
Why similar: City Builder 21.3%, Space 16.7%, Strategy 15.2%, Base Building 11.6%, Resource Management 11%
- #2 Stable Orbit - Build your own space station
96% matchMixed51% of 380 reviews2017
Dev: Jim Offerman
Windows · Mac · Linux
Median: 48 minMean: 5.0 hrs≥1hr: 46%
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
Why similar: Space Sim 15.7% ★, Simulation 12.1%, Strategy 12.1%, Space 11%, City Builder 9.7%
- #3 Space Station Tycoon
95% matchMixed61% of 215 reviews2023
Dev: Lunheim Studios
Windows
Median: 2.8 hrsMean: 8.6 hrs≥1hr: 79%
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
Why similar: Space Sim 21.3% ★, City Builder 17.9%, Space 13.7%, Base Building 12.8%, Strategy 11.1%
- #4 Spacebase DF-9
96% matchOverwhelmingly Negative18% of 4,324 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Simulation 18.4%, Space 16.3%, Base Building 16.3%, Strategy 14.3%, Sci-fi 8.3%
- #5 Meeple Station
94% 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 15.7% ★, Strategy 12.8%, Base Building 11.8%, Simulation 11.8%, City Builder 11.4%
- #6 Planetbase
94% matchMostly Positive80% of 10,262 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: City Builder 21%, Base Building 16.1%, Space 13.5%, Strategy 13.3%, Simulation 7.6%
- #7 Space Station Alpha
93% matchMixed46% of 78 reviews2015
Dev: NuclearFirecracker
Windows · Mac · Linux
Median: 6 minMean: 19.5 hrs≥1hr: 32%
Build and manage a space station in the outer reaches of space. The challenges will be many, oxygen will escape through every tiny hole in the hull, you'll contend with asteroid showers and nebulous alien blobs.
Why similar: Simulation 27.3%, Strategy 24.6%, City Builder 21.5%, Space 16.8%, Indie 9.9%
- #8 Farlight Explorers
92% matchMixed56% of 205 reviews2019
Dev: Farlight Games Industry
Windows
Median: 2.5 hrsMean: 3.5 hrs≥1hr: 72%
Extract and gather resources from different planets. Manage the supply of electricity, water, food and oxygen of your base in order to survive. Automate the creation of new products. Build a spaceship to transport your products to other places...
Why similar: Strategy 21.6%, Simulation 18.9%, Building 17.6%, Sandbox 15.8%, Space 14.8%
- #9 The Spatials
91% matchMixed69% of 329 reviews2015
Dev: Weird and Wry
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.1 hrs≥1hr: 89%
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Why similar: Simulation 15%, Base Building 13.2%, Space 12.6%, Strategy 11.2%, Space Sim 9.1% ★
- #10 Space Haven
90% 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 16.2% ★, City Builder 12.2%, Base Building 11.4%, Strategy 10.6%, Simulation 9.6%
- #11 Starship Theory
91% 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 23.2%, Simulation 19.5%, Strategy 19.4%, Space 17.2%, Sci-fi 7.1%
- #12 Exogate Initiative
88% matchMostly Positive76% of 699 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: City Builder 13%, Base Building 11.3%, Strategy 11%, RTS 10.4%, Simulation 10.2%
- #13 Base One
89% 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 Sim 30.8% ★, Simulation 17.4%, Strategy 17.3%, Building 11.4%, Space 10.1%
- #14 Starship Corporation
89% matchMixed42% of 555 reviews2018
Dev: Coronado GamesPub: Iceberg Interactive
Windows
Median: 4.3 hrsMean: 9.7 hrs≥1hr: 89%
A sci-fi simulation game, in which players must design, assemble and test spaceships, in a bid to build a supreme Galactic Mega-Corporation. Gain your reputation by engineering and selling your own spacecraft, testing them to the limit in RTS missions and simulated emergency and combat situations.
Why similar: Simulation 35.2%, Strategy 31.4%, Space 16.1%, Indie 12%, Sci-fi 5.4%
- #15 Before We Leave
86% matchMostly Positive78% of 1,697 reviews2021
Dev: Balancing Monkey GamesPub: Team17
Windows · Mac
Median: 3.5 hrsMean: 6.0 hrs≥1hr: 85%
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Why similar: City Builder 15.8%, Hex Grid 14.1% ★, Space 9.8%, Simulation 9.3%, Resource Management 8.9%
- #16 Rogue Station
86% 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: City Builder 20.4%, Base Building 19%, Strategy 18.1%, Space 16.4%, Building 12.7%
- #17 StellarHub
87% matchMixed60% of 277 reviews2017
Dev: CasualogicPub: Valkyrie Initiative
Windows
Median: 3.9 hrsMean: 5.8 hrs≥1hr: 98%
StellarHub is a starbase management game where your job is to build a safe and functional space station. Deal with the challenges of managing a station crew while taking care of everyone’s needs. Your tasks include construction, extraction of resources, defense, trade, and more.
Why similar: Simulation 56.8%, Base Building 19%, Space 11.6%, Building 7.2%, Sci-fi 5.3%
- #18 Dyson Sphere Program
84% matchOverwhelmingly Positive98% of 90,027 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.2 hrsMean: 75.2 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Base Building 16.1%, Space 14.2%, Space Sim 10.1% ★, Simulation 10%, Resource Management 9.1%
- #19 Stellar Settlers: Space Base Builder
83% matchMostly Positive71% of 818 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 76%
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Why similar: City Builder 16.6%, Space Sim 14.6% ★, Base Building 13.7%, Strategy 12.1%, Simulation 11%
- #20 Starmancer
84% matchMixed64% of 1,024 reviews2021
Dev: Ominux GamesPub: Chucklefish
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.7 hrs≥1hr: 65%
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Why similar: Strategy 14%, Space 13.9%, Base Building 12.9%, Sandbox 11.5%, Building 10.7%
- #21 Tempest Citadel
85% matchMostly Positive74% of 61 reviews2018
Dev: Aartform Games
Windows
Median: 3.5 hrsMean: 5.1 hrs≥1hr: 90%
Tempest Citadel is a base building simulation set on a storm-ruled planet with a vivid sci-fi story. Build a mighty Citadel in the clouds for your crew of explorers and conquer the deadly planet below in automated squad battles!
Why similar: Strategy 43.8%, Simulation 39.4%, Indie 16.8%
- #22 Oxygen
82% matchMostly Positive73% of 865 reviews2023
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 3.5 hrsMean: 9.8 hrs≥1hr: 78%
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
Why similar: City Builder 19.7%, Base Building 16.3%, Strategy 15.8%, Simulation 14.4%, Resource Management 11.3%
- #23 Trappist
81% matchVery Positive90% of 72 reviews2024
Dev: Sirrah
Windows · Mac · Linux
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: Space Sim 18.1% ★, City Builder 13.6%, Base Building 10.1%, Space 8.8%, Strategy 8.4%
- #24 Project AURA
82% matchMixed64% of 698 reviews2018
Dev: Nexcentric Games
Windows
Median: 4.6 hrsMean: 8.1 hrs≥1hr: 82%
Project Aura is a micro management game where you lead a Colony of Climate Disaster Survivors. You have been assigned the mission to build an habitat capable of survival in this new unknown world.
Why similar: City Builder 19.4%, Strategy 18.5%, Simulation 16.8%, Resource Management 10%, Building 7.5%
- #25 Farlanders
79% matchVery Positive92% of 569 reviews2023
Dev: Andriy BychkovskyiPub: Crytivo
Windows · Mac · Linux
Median: 2.2 hrsMean: 7.9 hrs≥1hr: 62%
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Why similar: City Builder 18.8%, Base Building 15%, Space 13.3%, Strategy 13.1%, Simulation 11.5%
- #26 Industries of Titan
79% matchMixed63% of 1,604 reviews2023
Dev: Brace Yourself Games
Windows
Median: 5.4 hrsMean: 14.0 hrs≥1hr: 84%
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!
Why similar: Space Sim 16.8% ★, City Builder 15.3%, Strategy 11.5%, Simulation 10.8%, Base Building 10.5%
- #27 Space Architect
78% matchMostly Positive76% of 283 reviews2024
Dev: Albert WiatrPub: PlayWay S.A.
Windows
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
Why similar: Base Building 16.7%, Strategy 15.3%, Simulation 13.5%, Building 10.2%, Resource Management 10%
- #28 Sphere - Flying Cities
80% matchMixed50% of 237 reviews2022
Dev: mañana studiosPub: Assemble Entertainment
Windows
Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.
Why similar: City Builder 21.1%, Strategy 18.5%, Space 14.2%, Simulation 13%, Resource Management 11.2%
- #29 Planet S
77% matchVery Positive92% of 2,816 reviews2023
Dev: Glimmerlight Games
Windows · Linux
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Why similar: City Builder 18%, RTS 15.2%, Strategy 14.5%, Space 12.5%, Building 8.8%
- #30 Space Company Simulator
81% matchMostly Negative28% of 178 reviews2019
Dev: IntermarumPub: All in! Games
Windows
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
Why similar: Space Sim 16.4% ★, Strategy 15.2%, Simulation 14.4%, Base Building 11.5%, Space 9.8%
- #31 The Spatials: Galactology
77% matchMixed69% of 258 reviews2018
Dev: Weird and Wry
Windows · Mac · Linux
Median: 2.8 hrsMean: 4.7 hrs≥1hr: 77%
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.
Why similar: Space Sim 19.6% ★, City Builder 17.7%, Base Building 13.8%, Space 10.5%, Strategy 10.2%
- #32 Solargene
73% matchMostly Positive76% of 819 reviews2026
Dev: Alexander Semenov
Windows
Median: 3.7 hrsMean: 34.8 hrs≥1hr: 71%
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Why similar: Space Sim 20.2% ★, City Builder 14.5%, Base Building 12.7%, Strategy 9.4%, Resource Management 8.7%
- #33 Earth Space Colonies
78% matchMixed50% of 167 reviews2016
Dev: Persona and Pixel studio
Windows · Mac · Linux
Median: 3.0 hrsMean: 3.6 hrs≥1hr: 96%
Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system. Establish a first self-sustaining colony on the Red planet with ultimate goal of terraforming Mars. Play three story campaigns all at once: terraform Mars, fight on Ceres and explore Ganymede.
Why similar: Simulation 26.8%, Strategy 26.5%, City Builder 20.2%, Space 16.6%, Indie 9.9%
- #34 Derelict Void
76% matchMixed64% of 53 reviews2021
Dev: Stirling Games
Windows · Linux
Derelict Void is a space survival game involving scavenging for resources and base management. You command a ship and crew searching for resources you need to stay alive.
Why similar: City Builder 19.7%, Strategy 19.6%, Simulation 15.6%, Space 14.9%, Resource Management 14%
- #35 orbit.industries
76% matchMixed61% of 87 reviews2022
Dev: LAB132Pub: Klabater
Windows · Linux
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Why similar: Space Sim 23.9% ★, Space 18.2%, Simulation 12.3%, Strategy 11.3%, Resource Management 10.7%
- #36 Halcyon 6: Starbase Commander
74% 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: Strategy 32%, Space 23.5%, Base Building 18.5%, Simulation 15.5%, Indie 9.7%
- #37 Nomad Fleet
75% matchMixed67% of 212 reviews2016
Dev: Autarca
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.2 hrs≥1hr: 79%
Nomad Fleet is a RTS game where you must lead the last remnants of Mankind to safety after a mysterious alien race has hunted them near extinction. Lead a fully armed fleet of battleships, carriers and fighters through a series of randomized scenarios and encounters where they must fight for their survival while scavenging for resources,...
Why similar: Strategy 30.6%, Space 17%, Real-Time 16.8% ★, RTS 14.9%, Indie 10.1%
- #38 Final Upgrade
72% matchMostly Positive77% of 451 reviews2022
Dev: TaosX
Windows
Median: 2.9 hrsMean: 12.2 hrs≥1hr: 67%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Space Sim 16.7% ★, Base Building 13.5%, Space 12.2%, Simulation 11%, Strategy 10.5%
- #39 Ancient Space
75% matchMixed44% of 365 reviews2014
Dev: CreativeForge GamesPub: Paradox Interactive
Windows · Mac
Median: 4.4 hrsMean: 5.1 hrs≥1hr: 89%
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.
Why similar: Strategy 33.7%, Space 24.4%, RTS 23.9%, Sci-fi 8.3%, Space Sim 6.6% ★
- #40 Startopia
73% matchVery Positive90% of 962 reviews2013
Dev: My Little Planet Ltd
Windows
Median: 30 minMean: 9.0 hrs≥1hr: 39%
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Why similar: City Builder 15%, Simulation 14.6%, Base Building 13.4%, Strategy 13.3%, RTS 12.1%
- #41 Maia
74% matchMixed44% of 1,063 reviews2018
Dev: Simon RothPub: Machine Studios
Windows · Mac · Linux
Median: 30 minMean: 4.4 hrs≥1hr: 41%
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Why similar: Strategy 20.9%, Simulation 19.8%, Base Building 12.9%, Space 11.2%, Sci-fi 10.4%
- #42 Star Merchant
73% matchMixed66% of 180 reviews2017
Dev: SimProse StudiosPub: Conglomerate 5
Windows
Median: 3.4 hrsMean: 4.6 hrs≥1hr: 93%
Star Merchant is a galactic trading sim where you become a space entrepreneur. Buy and sell items, fight pirates, upgrade your ship and try to meet your goal without going broke!
Why similar: Strategy 41.2%, Simulation 26.3%, Indie 10.8%, Space 9.3%, Resource Management 7.3%
- #43 Delos: Space Traffic Control
70% matchVery Positive87% of 52 reviews2025
Dev: hv
Windows
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 37.2% ★, Simulation 21.9%, Strategy 19.8%, Sci-fi 9.6%, Resource Management 7.7%
- #44 Project Astra Dominium
70% matchVery Positive90% of 88 reviews2024
Dev: Snob Entertainment UG
Windows · Mac · Linux
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Why similar: Base Building 17.2%, Strategy 14.7%, Space 14.7%, Simulation 12.3%, Resource Management 10.5%
- #45 Stranded: Alien Dawn
68% matchVery Positive85% of 10,890 reviews2023
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 7.0 hrsMean: 24.2 hrs≥1hr: 87%
Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.
Why similar: Base Building 31%, Strategy 23.4%, Simulation 22.7%, Resource Management 10%, Sci-fi 4.9%
- #46 Outworld Station
68% 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: Base Building 16.7%, Space 14.9%, Simulation 14.5%, RTS 13.5%, Strategy 12.3%
- #47 rymdkapsel
72% matchVery Positive83% of 277 reviews2014
Dev: grapefrukt games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 76%
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
Why similar: RTS 23%, Strategy 19.6%, Base Building 18.7%, Space 14.3%, Resource Management 11%
- #48 Ragnorium
70% matchMixed59% of 624 reviews2022
Dev: Vitali KirpuPub: Devolver Digital
Windows
Lead a team of cloned settlers and build a home on a new planet. Start from the Stone Age, construct sturdy shelters, hunt for food, and fight off dangers. Make your team stronger and better equipped to survive.
Why similar: City Builder 20.8%, Base Building 16.4%, Strategy 14.8%, Resource Management 13.4%, Simulation 13%
- #49 Dust Fleet
69% matchMostly Positive76% of 209 reviews2023
Dev: Orbiting DiscoPub: indie.io
Windows
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.
Why similar: Space Sim 21% ★, Real-Time 16.6% ★, Strategy 15.3%, Space 12.8%, Simulation 11.5%
- #50 HYPERNOVA: Escape from Hadea
71% matchVery Positive80% of 82 reviews2017
Dev: ActaLogic
Windows · Mac · Linux
A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.
Why similar: City Builder 20.3%, Real-Time 20.2% ★, RTS 16%, Strategy 13.7%, Base Building 12.8%
- #51 Stardeus
67% matchVery Positive87% of 1,529 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 hrsMean: 22.6 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Space Sim 20.7% ★, Base Building 14.9%, Strategy 13.7%, Space 12.9%, Resource Management 10.6%
- #52 StarDrive
71% matchMixed45% of 1,482 reviews2013
Dev: Zero Sum Games
Windows
Median: 2.3 hrsMean: 6.7 hrs≥1hr: 88%
As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.
Why similar: Strategy 36.7%, Space 23.9%, RTS 19.3%, Indie 10%, Sci-fi 9.7%
- #53 Star Traders: 4X Empires
71% matchMixed63% of 82 reviews2014
Dev: Trese Brothers
Windows · Mac · Linux
Median: 1.6 hrsMean: 2.8 hrs≥1hr: 94%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: Space 17.3%, Strategy 16.3%, Simulation 15.9%, Building 14.2%, Sci-fi 12.8%
- #54 Flotsam
64% matchVery Positive80% of 4,240 reviews2025
Dev: Pajama Llama GamesPub: Stray Fawn Publishing
Windows
Median: 4.5 hrsMean: 10.9 hrs≥1hr: 82%
Sail, scavenge, and rescue survivors in a vibrant floating city-builder. Captain your drifters across the endless garbage sea to uncover soaked ruins, rusting factories, and stories from the old world.
Why similar: City Builder 23.8%, Base Building 20.7%, Strategy 16.1%, Resource Management 14.9%, Sandbox 13%
- #55 Sol 0: Mars Colonization
69% matchMixed69% of 409 reviews2016
Dev: Chondrite Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 6.9 hrs≥1hr: 74%
Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.
Why similar: Strategy 29.7%, Simulation 24.2%, Base Building 19%, Space 17.5%, Indie 9.6%
- #56 Dark Moon
67% matchMixed49% of 150 reviews2025
Dev: Jujubee S.A.Pub: 101XP
Windows
Dark Moon is a survival strategy game where in order to survive you must avoid the Sun’s scorching rays and embrace the darkness. Gather resources, upgrade your mobile base, make tough moral decisions, but most importantly - don’t go into the light!
Why similar: Base Building 20.6%, RTS 17.5%, Strategy 15.4%, Resource Management 14.1%, Space 13%
- #57 InfraSpace
65% matchMostly Positive80% of 1,870 reviews2023
Dev: Dionic Software
Windows · Mac
Median: 3.8 hrsMean: 21.6 hrs≥1hr: 70%
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.
Why similar: City Builder 19.2%, Space 13%, Base Building 11.5%, Simulation 11.2%, Resource Management 10.9%
- #58 Cosmoteer: Starship Architect & Commander
63% 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 25.1% ★, Strategy 14.8%, Space 14.7%, Simulation 12%, Sci-fi 11.8%
- #59 Havendock
63% matchVery Positive80% of 1,861 reviews2025
Dev: YYZ StudioPub: Pretty Soon
Windows · Mac · Linux
Median: 2.2 hrsMean: 10.5 hrs≥1hr: 66%
Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society.
Why similar: City Builder 19.7%, Strategy 15.8%, Base Building 15.8%, Simulation 14%, Resource Management 11.7%