- #1 Earth 2150 Trilogy
97% matchMostly Positive79% of 1,014 reviews2013
Dev: Reality Pump StudiosPub: Topware Interactive
Windows · Mac · Linux
Median: 3.9 hrsMean: 20.3 hrs≥1hr: 89%
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
Why similar: Strategy 75.8%, RTS 20.1%, Space 3.3%, Sci-fi 0.8%
Why You'll Like It: This is the direct predecessor to Earth 2160, sharing the same core mechanics, modular building, and intense sci-fi atmosphere.
- #2 Earth 2140
96% matchMixed68% of 673 reviews2013
Dev: Reality Pump StudiosPub: Topware Interactive ACE
Windows · Mac
Median: 3.1 hrsMean: 10.6 hrs≥1hr: 83%
The year is 2140. After numerous wars and several environmental disasters, only two world powers remain; the United Civilized States (»UCS«), covering the American continent, Western Europe and North Africa, and the Eurasian Dynasty (»ED«) covering the coherent landmasses of Eastern Europe and Asia.
Why similar: Strategy 84.8%, RTS 14.9%, Sci-fi 0.2%, Singleplayer 0%
Why You'll Like It: The original title in the series provides the foundational RTS experience that evolved into the complex systems seen in Earth 2160.
- #3 Warzone 2100
96% matchVery Positive90% of 1,603 reviews2020
Dev: Pumpkin StudiosPub: Underdone Gaming
Windows
In the late 21st century, the world's civilizations are wiped out by a series of nuclear strikes, seemingly caused by a massive malfunction of the new NASDA (North American Strategic Defense Agency) strategic defense system.
Why similar: RTS 41.4%, Base Building 33%, Strategy 21.5%, Futuristic 1.6%, Post-apocalyptic 1%
Why You'll Like It: Renowned for its deep unit customization and research-heavy gameplay, which aligns perfectly with the technical focus of the Earth series.
- #4 Executive Assault 2
95% matchVery Positive83% of 1,738 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.8 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: Real-Time 36.4% ★, RTS 25.4%, Base Building 16.9%, Space 12.9%, Strategy 6.1%
Why You'll Like It: Combines traditional RTS base-building with the ability to jump into units, capturing the action-RPG hybrid feel of the seed game.
- #5 Supreme Commander: Forged Alliance
94% matchOverwhelmingly Positive97% of 14,159 reviews2011
Dev: Gas Powered GamesPub: Square Enix
Windows
Median: 6.9 hrsMean: 49.0 hrs≥1hr: 75%
The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.
Why similar: RTS 46.1%, Real-Time 18.6% ★, Base Building 15.5%, Strategy 14%, Space 2.7%
Why You'll Like It: Offers massive-scale real-time strategy combat with a heavy emphasis on base expansion and resource management.
- #6 Tempest Rising
93% matchVery Positive88% of 11,317 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 3.8 hrsMean: 9.6 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 54.8%, Real-Time 15% ★, Base Building 14.9%, Strategy 14.4%, Multiplayer 0.4%
Why You'll Like It: Captures the classic 90s and 2000s RTS feel with a focus on base construction and faction-based warfare.
- #7 Grey Goo
94% matchMixed68% of 4,320 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 51.2%, Base Building 18.4%, Strategy 14.8%, Real-Time 5.2% ★, Space 4.5%
Why You'll Like It: A modern RTS that emphasizes base-building and strategic positioning in a high-stakes sci-fi environment.
- #8 Perimeter
92% matchVery Positive84% of 261 reviews2014
Dev: K-D LabPub: Fulqrum Publishing
Windows
Median: 2.5 hrsMean: 4.3 hrs≥1hr: 95%
Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize territory and establish crucial protective “perimeters.” Players will be introduced to the game’s unique terraforming feature, allowing them to move, build, construct and destroy the map...
Why similar: RTS 56.9%, Strategy 28.7%, Space 13%, Sci-fi 1.4%
Why You'll Like It: Features unique terraforming and modular base-building mechanics that mirror the creative construction style of Earth 2160.
- #9 Executive Assault
91% 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 36.8%, Real-Time 31.9% ★, Base Building 16.8%, Strategy 11.7%, Sci-fi 1%
Why You'll Like It: The first entry in the series that pioneered the blend of first-person action and real-time strategy base management.
- #10 Total Annihilation
91% matchOverwhelmingly Positive96% of 3,701 reviews2015
Dev: Cavedog EntertainmentPub: Wargaming.net
Windows
Median: 48 minMean: 13.8 hrs≥1hr: 47%
What began as a conflict over the transfer of consciousness from flesh to machines escalated into a war which has decimated a million worlds. The Core and the Arm have all but exhausted the resources of a galaxy in their struggle for domination.
Why similar: RTS 69%, Strategy 19%, Base Building 8.2%, Sci-fi 1.9%, Multiplayer 1%
Why You'll Like It: A classic RTS that defined the genre's focus on unit variety and large-scale base management.
- #11 Planetary Annihilation: TITANS
90% matchVery Positive84% of 14,514 reviews2015
Dev: Planetary Annihilation Inc
Windows · Mac · Linux
Median: 3.9 hrsMean: 17.5 hrs≥1hr: 73%
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
Why similar: RTS 42.4%, Base Building 24%, Space 17.4%, Strategy 10.8%, Sci-fi 1.5%
Why You'll Like It: Focuses on massive scale and base-building across multiple planets, appealing to fans of the space-faring RTS genre.
- #12 They Are Billions
89% matchVery Positive85% of 50,888 reviews2019
Dev: Numantian Games
Windows
Median: 14.2 hrsMean: 56.2 hrs≥1hr: 91%
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
Why similar: Base Building 48%, RTS 37.9%, Strategy 11.6%, Post-apocalyptic 1.6%, Resource Management 0.8%
Why You'll Like It: Focuses heavily on the survival and base-building aspects of strategy games, requiring careful fortification against overwhelming odds.
- #13 Nuclear Dawn
89% matchMostly Positive78% of 2,487 reviews2011
Dev: GameConnectPub: Iceberg Interactive
Windows · Mac · Linux
Median: 2.9 hrsMean: 6.1 hrs≥1hr: 87%
Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.
Why similar: Real-Time 40.3% ★, RTS 27.5%, Base Building 14.4%, Strategy 11.3%, Post-apocalyptic 2.5%
Why You'll Like It: A unique hybrid that allows players to command the battlefield as an RTS commander while others fight in the first-person perspective.
- #14 The Red Solstice
88% matchMostly Positive71% of 2,555 reviews2015
Dev: Ironward
Windows
Median: 3.2 hrsMean: 9.8 hrs≥1hr: 88%
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Why similar: Real-Time 50.8% ★, RTS 31.3%, Strategy 9.1%, Aliens 2.8%, Sci-fi 1.6%
Why You'll Like It: Blends tactical RTS elements with action-RPG squad management, reflecting the hero-unit focus of Earth 2160.
- #15 Space Haven
84% matchVery Positive86% of 10,442 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 19.9 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 41.3%, Space 32.5%, Strategy 13.3%, Post-apocalyptic 4.1%, Resource Management 2.4%
Why You'll Like It: Offers deep space-based base-building and management with a focus on survival and modular ship design.
- #16 Ancient Space
87% matchMixed44% of 366 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: RTS 42.3%, Space 36.8%, Strategy 18.8%, Sci-fi 1.6%, Atmospheric 0.2%
Why You'll Like It: A story-driven space RTS that emphasizes fleet management and tactical positioning in deep space.
- #17 Homeworld: Deserts of Kharak
85% matchMostly Positive79% of 8,844 reviews2016
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows · Mac
Median: 5.0 hrsMean: 9.7 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 53.7%, Strategy 17.3%, Space 13.7%, Real-Time 10.9% ★, Sci-fi 2.3%
Why You'll Like It: Provides a grounded, tactical RTS experience set in a harsh, post-apocalyptic desert environment.
- #18 reconquest
86% matchMixed55% of 263 reviews2016
Dev: StormCube Games
Windows · Mac
Reconquest is a real-time strategy base building game. After World War III, mankind got close to extinction. You have to reconquer Earth by making better strategic decisions than your opponents.
Why similar: RTS 65.8%, Strategy 34.2%
Why You'll Like It: A post-apocalyptic RTS that focuses on base-building and territory control in a ruined world.
- #19 Nomad Fleet
86% matchMixed67% of 213 reviews2016
Dev: Autarca
Windows · Mac · Linux
Median: 3.2 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: Real-Time 40.7% ★, RTS 21.9%, Space 21.3%, Strategy 14.2%, Sci-fi 1.4%
Why You'll Like It: A space-based RTS that focuses on managing a fleet and base-like ships in a desperate struggle for survival.
- #20 Planetbase
84% matchMostly Positive80% of 10,320 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: Base Building 42.4%, Space 33.9%, Strategy 12.4%, RTS 7.4%, Resource Management 1.4%
Why You'll Like It: A colony-sim that emphasizes the challenges of building and maintaining a functional base in a hostile space environment.
- #21 Act of War: Direct Action
82% matchVery Positive91% of 614 reviews2008
Dev: Eugen SystemsPub: THQ Nordic
Windows
Median: 1.3 hrsMean: 5.9 hrs≥1hr: 56%
Tomorrow's War Is NOW Ripped from today's headlines, Act of War: Direct Action™ is a frightening tale of suspense, international intrigue and geopolitical military conflict. This real-time strategy experience puts you squarely in control of counterterrorist forces and delivers a first look at tomorrow's war.
Why similar: RTS 60.4%, Real-Time 28.9% ★, Strategy 9.6%, Multiplayer 0.6%, Action 0.4%
Why You'll Like It: A classic RTS that emphasizes base construction and realistic military units in a modern-to-near-future setting.
- #22 Command & Conquer 3 Tiberium Wars™
81% matchVery Positive90% of 9,179 reviews2009
Dev: EA Los AngelesPub: Electronic Arts
Windows
Median: 4.7 hrsMean: 19.6 hrs≥1hr: 76%
The year is 2047. A massive nuclear fireball explodes high in the night sky, marking the dramatic beginning of the Third Tiberium War and the long-awaited return of the most groundbreaking Real-Time Strategy franchise of all time
Why similar: RTS 46.1%, Base Building 31.9%, Strategy 14.8%, Sci-fi 1.5%, Post-apocalyptic 1.3%
Why You'll Like It: A quintessential sci-fi RTS that excels in base-building, resource gathering, and faction-based combat.
- #23 Etherium
83% 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 47.1%, Strategy 24.6%, Space 21.8%, Sci-fi 5.2%, Multiplayer 1.1%
Why You'll Like It: A sci-fi RTS that features dynamic weather and modular resource management across diverse planetary environments.
- #24 Element
82% matchMixed68% of 50 reviews2018
Dev: Flightless
Windows · Mac · Linux
Median: 4.0 hrsMean: 6.7 hrs≥1hr: 91%
Element is a realtime strategy space game for people who don't have time to play realtime strategy space games. Generate energy, mine element, build attack and defence units, and destroy the enemy while maintaining a balance between earth, air and water.
Why similar: Real-Time 30.4% ★, RTS 26.1%, Base Building 16%, Space 15.6%, Strategy 6.8%
Why You'll Like It: A minimalist RTS that distills the core of space-based strategy into fast-paced, tactical encounters.
- #25 Surviving the Aftermath
80% matchMostly Positive71% of 4,528 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.6 hrsMean: 18.1 hrs≥1hr: 74%
Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.
Why similar: Base Building 51.7%, Strategy 32.5%, Post-apocalyptic 10.8%, Simulation 3.5%, Atmospheric 0.5%
Why You'll Like It: Focuses on the post-apocalyptic survival and base-building aspects, challenging players to manage resources in a ruined world.
- #26 Starport Delta
81% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Real-Time 23.5% ★, RTS 19.6%, Base Building 18%, Strategy 16.6%, Space 15.8%
Why You'll Like It: A space-based building game that focuses on the logistics and expansion of modular space stations.
- #27 The Final Earth 2
78% matchVery Positive97% of 399 reviews2022
Dev: Florian van Strien
Windows
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
Why similar: Base Building 38.5%, Space 36.4%, Strategy 15.1%, Futuristic 2.7%, Sci-fi 2.3%
Why You'll Like It: A colony-builder set in space that emphasizes modular construction and efficient management of limited resources.
- #28 Sins of a Solar Empire®: Rebellion
79% matchVery Positive93% of 16,284 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: RTS 34%, Base Building 27.3%, Space 23.5%, Strategy 9.4%, Sci-fi 1.8%
Why You'll Like It: Combines 4X strategy with real-time combat, perfect for players who enjoy the grand scale of space warfare.
- #29 Annihilate The Spance
77% matchVery Positive91% of 345 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 34.3%, Base Building 30.4%, Space 24.6%, Strategy 7.8%, Resource Management 1.4%
- #30 Ragnorium
79% 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: Base Building 53.6%, Strategy 17.3%, Historical 8.8%, Post-apocalyptic 8%, Resource Management 4%
Why You'll Like It: Combines post-apocalyptic survival with resource management and colony-building mechanics.
- #31 Sins of a Solar Empire II
76% matchVery Positive84% of 8,352 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.1 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: Real-Time 26.8% ★, RTS 26.3%, Space 24.1%, Base Building 11%, Strategy 8.9%
- #32 ERA ONE
76% matchVery Positive87% of 1,422 reviews2025
Dev: Team Complex LTD
Windows
Median: 3.7 hrsMean: 15.9 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 36.9%, Base Building 27.2%, Space 25.8%, Strategy 8.9%, Sci-fi 0.9%
- #33 StarFringe: Adversus
78% matchMixed64% of 233 reviews2023
Dev: CasualogicPub: Conglomerate 5
Windows
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
Why similar: RTS 34.8%, Base Building 27.5%, Space 22.3%, Strategy 10.2%, Aliens 2.2%
- #34 War Selection
75% matchVery Positive85% of 23,196 reviews2019
Dev: Glyph Worlds
Windows · Linux
Median: 2.6 hrsMean: 27.6 hrs≥1hr: 70%
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
Why similar: RTS 41.3%, Base Building 39.7%, Strategy 15.1%, Historical 1.7%, Multiplayer 1.2%
- #35 Final Outpost: Definitive Edition
75% matchMostly Positive78% of 198 reviews2025
Dev: Exabyte Games
Windows · Mac · Linux
Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?
Why similar: Real-Time 48% ★, Base Building 21%, RTS 20.2%, Strategy 7.4%, Post-apocalyptic 1.5%
- #36 TFC: The Fertile Crescent
74% matchVery Positive89% of 370 reviews2024
Dev: Wield InteractivePub: MicroProse Software
Windows · Mac · Linux
Gather resources, build your base, and lead your people to victory in this captivating reimagining of classic RTS, set in the Bronze Age. Secure fertile land, fend off raids, and stockpile food to generate knowledge and unlock powerful village advancements.
Why similar: Real-Time 39.7% ★, RTS 25.8%, Base Building 21.8%, Strategy 7.7%, Historical 2.4%
- #37 Sins of a Solar Empire: Trinity®
77% matchMostly Positive77% of 813 reviews2011
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 2.0 hrsMean: 30.8 hrs≥1hr: 59%
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
Why similar: Real-Time 41.3% ★, RTS 20.5%, Base Building 16.2%, Space 13.6%, Strategy 5.8%
- #38 Outlive 25
72% matchVery Positive96% of 206 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 42.9%, Base Building 25.1%, Space 14.8%, Strategy 9.2%, Futuristic 2.7%
- #39 Dust Fleet
73% matchMostly Positive75% of 220 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: Real-Time 50.6% ★, Space 20%, RTS 9.8%, Strategy 8.8%, Base Building 8.4%
- #40 Ashes of the Singularity: Escalation
74% matchMostly Positive74% of 4,943 reviews2016
Dev: Stardock Entertainment
Windows
Median: 3.2 hrsMean: 7.2 hrs≥1hr: 89%
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
Why similar: RTS 46%, Base Building 35.5%, Strategy 11.4%, Futuristic 1.9%, Sci-fi 1.8%
- #41 Five Nations
73% matchVery Positive83% of 267 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: RTS 45.2%, Space 21.4%, Base Building 14.4%, Strategy 14.2%, Aliens 2.4%
- #42 The Last Haven
72% matchMixed61% of 1,529 reviews2023
Dev: Thunder Devs.
Windows
Median: 4.4 hrsMean: 14.1 hrs≥1hr: 75%
The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.
Why similar: Base Building 46.3%, RTS 24.3%, Strategy 21.1%, Post-apocalyptic 5.1%, Resource Management 1.5%
- #43 BlackChain
71% matchVery Positive86% of 120 reviews2021
Dev: Borington
Windows
A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.
Why similar: RTS 36.7%, Base Building 28.6%, Space 21.1%, Strategy 9.2%, Sci-fi 1.8%
- #44 ReEarth
70% matchMostly Positive75% of 117 reviews2024
Dev: Jiangzuogongfang Shanghai Game Co.,Ltd
Windows
ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!
Why similar: RTS 50.3%, Space 27.2%, Strategy 14.4%, Post-apocalyptic 4%, Tactical RPG 2%
- #45 Gods of the Fallen Land
71% matchVery Positive82% of 119 reviews2017
Dev: Crow's Key Studios
Windows
Gods of the Fallen Land is an action-strategy game centered around base building and villager management. Take on the role of a leader trying to rebuild humanity in a broken and dangerous world. Lead your followers into battle and make strategic decisions on what to develop and build to survive.
Why similar: RTS 40.9%, Base Building 31%, Strategy 26.3%, Action 1.8%
- #46 Reshaping Mars
67% matchVery Positive84% of 832 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: RTS 35.7%, Base Building 29.4%, Space 19.5%, Strategy 10.1%, Futuristic 1.8%
- #47 Outworld Station
65% matchVery Positive86% of 714 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 3.9 hrsMean: 10.3 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 30.7%, RTS 27.4%, Space 26%, Strategy 8%, Futuristic 1.6%
- #48 Supreme Commander
68% matchVery Positive89% of 3,109 reviews2011
Dev: Gas Powered GamesPub: Square Enix
Windows
Median: 1.5 hrsMean: 10.3 hrs≥1hr: 57%
For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.
Why similar: RTS 39.7%, Real-Time 28% ★, Strategy 13.3%, Base Building 13%, Space 3.3%
- #49 Colony Siege
68% matchVery Positive93% of 258 reviews2020
Dev: Finifugal Games
Windows
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Why similar: Strategy 27.7%, RTS 27.2%, Real-Time 26.9% ★, Base Building 12.8%, Simulation 2.3%
- #50 Terra Invicta
64% matchVery Positive81% of 9,264 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.5 hrsMean: 51.9 hrs≥1hr: 80%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: Space 55.4%, Strategy 29.5%, Historical 11.2%, Simulation 3.4%, Singleplayer 0.5%
- #51 Sol 0: Mars Colonization
70% 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: Base Building 40.1%, Space 35.4%, Strategy 22.2%, Simulation 2.3%
- #52 The Crust
66% matchMostly Positive77% of 3,542 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 23.2 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 34.5%, Space 27.8%, RTS 21.6%, Strategy 9%, Post-apocalyptic 2.4%
- #53 Starship Theory
70% matchMixed50% of 1,101 reviews2017
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.3 hrsMean: 15.3 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 47.8%, Space 33.9%, Strategy 14.2%, Sci-fi 1.8%, Simulation 1.8%
- #54 Battlefall: State of Conflict
66% matchMixed63% of 54 reviews2025
Dev: Kyoto Video Game ConcernPub: MicroProse Software
Windows
Engage in a post-apocalyptic RTS showdown between three factions in Battlefall: State of Conflict.
Why similar: Real-Time 45.8% ★, RTS 23.4%, Base Building 19.1%, Strategy 6.3%, Post-apocalyptic 2.3%
- #55 Operation: New Earth
69% matchMixed60% of 826 reviews2016
Dev: Hunted Cow Games
Windows · Mac
Median: 2.5 hrsMean: 35.7 hrs≥1hr: 64%
Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!
Why similar: Strategy 75.5%, Aliens 6.9%, Sci-fi 5.5%, Futuristic 5.2%, Simulation 4.2%
- #56 Spacebase DF-9
71% matchOverwhelmingly Negative18% of 4,327 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: Base Building 41.4%, Space 39.8%, Strategy 12.9%, Sci-fi 2.6%, Simulation 2.1%
- #57 O.R.B: Off-World Resource Base
69% matchMostly Positive79% of 106 reviews2014
Dev: Strategy First
Windows
Median: 18 minMean: 37.5 hrs≥1hr: 41%
An epic struggle for control!
Why similar: Space 37.6%, RTS 36.4%, Strategy 24.6%, Sci-fi 1.3%
- #58 HYPERNOVA: Escape from Hadea
68% 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: Real-Time 50.1% ★, RTS 23.8%, Base Building 16.9%, Strategy 6.5%, Aliens 1%