- #1 Quriocity
96% matchMostly Positive78% of 36 reviews2023
Dev: Oxeliz Pvt ltd
Windows · Mac
Quriocity is a sci-fi city builder game set on a bare alien planet very similar to Earth. Build and upgrade a wide variety of units to extract resources and provide services, such as maintenance, food production, education, entertainment and many more.
Why similar: Colony Sim 21% ★, Mars 13.7% ★, City Builder 13%, Base Building 11.4%, RTS 9.7%
- #2 Lost Galaxy: Echoes of War
96% matchNo user reviews
Dev: After The Singularity Games
Windows · Mac
Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.
Why similar: Mars 26.1% ★, Colony Sim 20.1% ★, City Builder 12.4%, Tower Defense 11.7%, Base Building 10.2%
- #3 Reshaping Mars
95% matchVery Positive85% of 831 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: Mars 21.4% ★, Colony Sim 15.9% ★, RTS 13.7%, Base Building 12.1%, 4X 7% ★
- #4 Diplomacy is Not an Option: Shareware
94% matchVery Positive92% of 582 reviews2025
Dev: Door 407
Windows
Median: 1.4 hrsMean: 3.9 hrs≥1hr: 57%
Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is.
Why similar: Colony Sim 20.3% ★, RTS 13.6%, City Builder 12.7%, Tower Defense 11.5%, Base Building 11.3%
- #5 Red Dust Colony
94% matchNo user reviews
Dev: Lorin Atzberger
Windows · Mac
Red Dust is a space-colony simulation game. Build the future of humanity in the unforgiving Mars environment. Explore, exploit resources, build, research, manage the complexity of a self sufficient base, optimize, automate, expand, conquer, but most important of all... survive.
Why similar: Colony Sim 27.8% ★, Mars 20.1% ★, Base Building 15.6%, Resource Management 8.4%, Survival 7.3%
- #6 Insect Empires
93% matchNo user reviews
Dev: Insect Empires TeamPub: Countryball Team
Windows
Choose between 4 factions and wage war against your enemies in this real-time strategy game. Insect Empires is a cartoon style Isometric real-time strategy game about colony type insects. Choose your faction and wage war against any foe!
Why similar: Colony Sim 17.2% ★, Base Building 12.2%, RTS 11.7%, City Builder 10.7%, Tower Defense 8.2%
- #7 Stellar Settlers: Space Base Builder
92% 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: Mars 23% ★, Colony Sim 19.6% ★, Base Building 12.4%, City Builder 11.8%, Resource Management 7.6%
- #8 Venusville
91% matchNo user reviews
Dev: Orbit Start StudiosPub: PlayWay S.A
Windows
Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.
Why similar: Colony Sim 23.7% ★, Base Building 14.3%, City Builder 13.7%, RTS 10%, Resource Management 7.5%
- #9 Towers & Goblins: The Last Stand
91% matchPositive86% of 20 reviews2025
Dev: Axella Games
Windows
Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.
Why similar: Colony Sim 17.5% ★, RTS 14.8%, Tower Defense 13.4%, Base Building 13.3%, City Builder 11.9%
- #10 Farlanders: Prologue
90% matchVery Positive93% of 285 reviews2021
Dev: Andriy Bychkovskyi
Windows · Mac · Linux
Median: 1.6 hrsMean: 10.8 hrs≥1hr: 59%
Prepare for your journey to Mars by building and managing a colony within the safety of Earth’s atmosphere. Hone your abilities to create a thriving community, terraform the land to suit your needs, and prove your capability for a larger mission. Get ready to launch in this prologue to Farlanders.
Why similar: Mars 28.9% ★, Colony Sim 19.2% ★, Base Building 12.3%, City Builder 10.6%, Building 6.6%
- #11 They Are Billions
89% matchVery Positive85% of 50,609 reviews2019
Dev: Numantian Games
Windows
Median: 14.1 hrsMean: 56.0 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: Colony Sim 25% ★, Base Building 20.6%, RTS 15.2%, Tower Defense 10.6%, City Builder 7.1%
- #12 Farlanders
89% 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: Mars 26.4% ★, Colony Sim 18.3% ★, Base Building 11.4%, City Builder 11.3%, Resource Management 7.2%
- #13 VENOY
88% matchNo user reviews
Dev: Mathis WischeroppPub: LaboratoryGames
Windows
VENOY is a relaxing real-time strategy game with deep settler logistics and true sandbox freedom. Build your medieval colony, optimize production chains and defend it against enemies!
Why similar: Colony Sim 25.5% ★, RTS 19.6%, City Builder 14.2%, Base Building 11.9%, Strategy 9.8%
- #14 The Crust
87% 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: Colony Sim 22.1% ★, Base Building 15%, City Builder 10.8%, RTS 8.8%, Resource Management 8.7%
- #15 After Long Night
86% matchMostly Positive79% of 434 reviews2025
Dev: 疯狗工作室Pub: OKJOY
Windows
After Long Night is a sandbox survival RTS. Build and fortify your base, scavenge every corner for vital resources, craft deadly weapons, and raise a militia to fight off relentless zombie hordes that strike every night. In this world, scavenging isn't just survival—it's strategy, power and war.
Why similar: Colony Sim 20.5% ★, RTS 15.5%, Base Building 13.1%, City Builder 10.4%, Tower Defense 8.1%
- #16 Outpost Surge
86% matchNo user reviews
Dev: Thrive Game Studio
Windows · Mac
Outpost Surge is a society survival game on Mars, where players balance resource management, city growth, and settler health to turn a barren landscape into a thriving, vibrant city.
Why similar: Mars 34% ★, Colony Sim 13.8% ★, Base Building 13.1%, City Builder 12.1%, Survival 7%
- #17 Here Comes The Swarm
85% matchVery Positive88% of 161 reviews2026
Dev: CableHook Games
Windows
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
Why similar: Colony Sim 19.6% ★, RTS 14%, Base Building 12.8%, Tower Defense 10.4%, City Builder 8.6%
- #18 Age of Respair
84% matchNo user reviews2026
Dev: Respair Games
Windows
Age of Respair is a medieval strategy castle-builder. Build massive castles with fortifications while managing resources and production chains. Assemble a large army and lay siege to enemy castles. Lead your people and bring respair to your kingdom🏰⚔️
Why similar: Colony Sim 20.6% ★, Base Building 14.6%, City Builder 14%, RTS 12.1%, Resource Management 7.6%
- #19 Zombie Warz
83% matchNo user reviews
Dev: GobiGD
Windows · Mac
Zombie Warz is a strategy survivor RTS with rogue-lite gameplay elements. Play as the king of a kingdom under siege by zombies and survive to discover their origins.
Why similar: Colony Sim 20.4% ★, RTS 16.1%, Tower Defense 15.5%, Base Building 13.1%, Management 7.9%
- #20 Planetbase
84% 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: Colony Sim 30.8% ★, City Builder 17.8%, Base Building 17.4%, Survival 7.7%, Strategy 5.6%
- #21 Siege of Irdor
82% matchNo user reviews
Dev: HardCodeWayPub: Vision Edge Entertainment
Windows
Siege of Irdor is a city-builder strategy game set in dark medieval times, where fantasy and reality collide. Build by day and defend the sieges by night to survive against the armies of darkness.
Why similar: Colony Sim 20.4% ★, RTS 14.9%, City Builder 12.5%, Tower Defense 11.5%, Base Building 11.4%
- #22 Final Outpost: Definitive Edition
81% matchMostly Positive77% of 193 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: Colony Sim 18.1% ★, Base Building 13.8%, RTS 12.4%, City Builder 10.5%, Tower Defense 9.8%
- #23 Giantfall
81% matchNo user reviews2026
Dev: Birchwood Games
Windows
In a minimalist medieval world, every decision counts. Build, research, and fortify your kingdom as towering Giants and monstrous creatures lay siege to your land. Raise armies, manage your economy, and construct powerful defences to protect your people and hold the line against overwhelming odds.
Why similar: Colony Sim 18.3% ★, RTS 15.6%, Tower Defense 14.1%, Base Building 13%, Action RTS 10.9% ★
- #24 Kingdom: Classic
82% matchVery Positive91% of 22,529 reviews2015
Dev: NoioPub: Raw Fury
Windows · Mac · Linux
Median: 3.5 hrsMean: 8.0 hrs≥1hr: 86%
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
Why similar: Colony Sim 17% ★, Base Building 15.4%, City Builder 10.4%, Tower Defense 9.9%, Resource Management 9.1%
- #25 Fio and the Doomed City
80% matchNo user reviews
Dev: Caro BuildersPub: Emma Create
Windows · Mac
A “city-building” x “tower defense” SLG by a young girl, Fio. Fio and her guardians, the Flora Bears, are building a city in the last city of humanity. Increase facilities, residents, and resources, and prepare for battle. Withstand enemy attacks and defeat the boss with your big beam cannon!
Why similar: Colony Sim 28.6% ★, City Builder 17.9%, Base Building 17.6%, Tower Defense 15.8%, Resource Management 11%
- #26 Space Hotel Ltd
79% matchNo user reviews
Dev: Gregry Boyd
Windows
Space Hotel offers a bold new twist on the classic city builder and tycoon genres. Take your management skills beyond the surface and into orbit. Experience the excitement and challenges of creating and maintaining a luxury space hotel where the stakes are high and the rewards are out of this world.
Why similar: Mars 25% ★, Colony Sim 20.1% ★, City Builder 12.1%, Base Building 11.6%, Resource Management 7.6%
- #27 Lil Guys
79% matchNo user reviews
Dev: Radnyx
Windows
Lil guys building castles and fighting monsters. Build creative defenses, protect the crown, and make more lil guys.
Why similar: Colony Sim 28.7% ★, Base Building 17.4%, City Builder 13%, Survival 8.9%, Resource Management 8.3%
- #28 Alien Horizon (Preview Alpha)
78% matchVery Positive87% of 188 reviews2024
Dev: Purple Nebula
Windows
A sci-fi survival city builder set on an inhospitable alien planet. Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected....
Why similar: Colony Sim 29.6% ★, City Builder 19.8%, Base Building 14.3%, Building 9.7%, Survival 8.1%
- #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: Mars 23.4% ★, Colony Sim 16.6% ★, RTS 12.7%, Base Building 10.9%, Tower Defense 10.1%
- #30 Night is Coming
77% matchMixed66% of 441 reviews2025
Dev: Wild Forest StudioPub: 101XP
Windows
Survival strategy game set in a world inspired by Slavic mythology and the nature of Eastern Europe. Build your settlement, protect its dwellers, and help them prepare for the coming Darkness.
Why similar: Colony Sim 22.2% ★, RTS 17%, Base Building 13.3%, Tower Defense 11.5%, City Builder 11.1%
- #31 Border Base
77% matchNo user reviews
Dev: Bitzooma
Windows
Set in a gritty, fictional 1960s universe, it’s a colony sim & base-building hybrid where you rebuild a war-ravaged region, fortify your defenses, and control key trade routes that every convoy depends on.
Why similar: Colony Sim 24.7% ★, Base Building 15%, City Builder 13.1%, Tower Defense 11.3%, Resource Management 8%
- #32 Planet Barren Objective
78% matchPositive92% of 13 reviews2022
Dev: Kaan Özgül
Windows
Fight, upgrade, explore, and build your way out of a dangerous planet in this 2D pixel art side scroller. Stream of foes will keep you on your toes while beating them will reward you with much needed resources.
Why similar: Colony Sim 22% ★, Tower Defense 13%, Base Building 12.9%, City Builder 8.9%, Resource Management 7.9%
- #33 Avian Colony
75% matchPositive82% of 17 reviews2025
Dev: Ice Crystal Studio
Windows
Avian Colony is a survival simulation game that places you in the role of the ruler of a floating colony in a harsh sky world. Your main goal is to ensure the survival and prosperity of your colony by managing resources, planning strategically, and defending against threats.
Why similar: Colony Sim 27.3% ★, Base Building 16.5%, City Builder 13.3%, Resource Management 8.6%, Survival 8.5%
- #34 Our Freedom: Prologue
75% matchNo user reviews
Dev: Vladyslav LytvynovPub: Two Cakes Studio
Windows
The medieval world is waiting for you! Stand up for your people and help them defend their freedom! Build your village, win battles and tournaments, and lead your settlement to prosperity in colony sim RPG Our Freedom: Prologue!
Why similar: Colony Sim 24.2% ★, Base Building 17.5%, City Builder 15.2%, Strategy 11.4%, Resource Management 6.6%
- #35 Founders' Fortune
76% matchVery Positive80% of 2,168 reviews2020
Dev: Dionic Software
Windows · Mac
Median: 1.6 hrsMean: 9.9 hrs≥1hr: 57%
A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.
Why similar: Colony Sim 37% ★, Base Building 16.5%, City Builder 14.8%, Building 7.8%, Survival 6%
- #36 Hold The Roost
74% matchNo user reviews
Dev: Jody HiattPub: Battle Bongo Games
Windows
A strategic tower defense where you command a flock of chickens to gather resources, fortify defenses, and survive relentless predator attacks. Balance growth and survival as you protect the next generation through treacherous nights against tactical predators.
Why similar: Colony Sim 26% ★, Tower Defense 18.8%, Base Building 15.3%, Strategy 9.3%, Resource Management 9.1%
- #37 Pirate Plight
73% matchNo user reviews
Dev: Cutlass Studios
Windows
It's pirates against British sailors (or each other) in this real-time strategy city-building game. Gather resources, build cities, drink rum, fight enemies, explore the sea, and discover new islands.
Why similar: Colony Sim 20.8% ★, RTS 16.1%, Base Building 13.8%, City Builder 13.6%, 4X 8.2% ★
- #38 Settlements Rising
73% matchVery Positive82% of 412 reviews2025
Dev: The Catalyst Crew
Windows
Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.
Why similar: Colony Sim 26.5% ★, City Builder 16.9%, Base Building 11.3%, Resource Management 9.2%, Tower Defense 7.4%
- #39 Beyond These Stars
73% matchNo user reviews2026
Dev: Balancing Monkey GamesPub: Hooded Horse
Windows
Build a city on the back of a Space Whale and learn to coexist as you journey through the stars. Manage intricate supply chains and the needs of your people as you build outposts, meet aliens, and uncover the mysteries of the universe.
Why similar: Colony Sim 22.9% ★, Base Building 14.6%, City Builder 13.4%, Resource Management 8.8%, Building 7.5%
- #40 Phoenix Hope
74% matchMixed61% of 170 reviews2021
Dev: Honorable Pixel
Windows
Phoenix Hope is a pixel art 2D real-time, side-view strategy game in which you must develop your colony during the day and repel waves of monsters at night.
Why similar: Colony Sim 24.1% ★, Base Building 15.7%, Tower Defense 14.1%, RTS 13.9%, Survival 8.8%
- #41 Farthest Frontier
70% matchVery Positive87% of 23,648 reviews2025
Dev: Crate Entertainment
Windows
Median: 9.6 hrsMean: 26.7 hrs≥1hr: 85%
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
Why similar: Colony Sim 15.8% ★, City Builder 11.5%, RTS 11.4%, Farming 10.6% ★, Base Building 10%
- #42 Buggos 2
70% matchVery Positive84% of 509 reviews2025
Dev: Intrepid Marmot
Windows
Conquer and destroy the dirty Humans by sending swarms of bugs to crush their home worlds. Evolve your Buggos into stronger, faster, more murderous creatures that can rip the Human defenses to shreds! No one can stop your evolutionary powers. You are the evil Buggo Hivemind!!!
Why similar: Colony Sim 22.9% ★, Base Building 19%, RTS 14.2%, City Builder 13.6%, Strategy 11.6%
- #43 Oxygen: First Breath
72% matchVery Positive89% of 1,643 reviews2022
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 48 minMean: 6.1 hrs≥1hr: 40%
This is a free version of Oxygen, featuring the first 50 game-days. 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 keep the Oxygen Center running!
Why similar: Colony Sim 23.4% ★, Base Building 17.4%, City Builder 16.1%, Resource Management 9.7%, Survival 8.3%
- #44 Rise Against the Invaders
71% matchNo user reviews
Dev: BASEMENTMODE, LLC
Windows
BUILD. DEFEND. SURVIVE. An alien menace has ravaged Earth. Humanity has scattered to the wind. But hope remains. A resistance is organizing. Build your new settlement, defend your people, and fight to reclaim what was lost.
Why similar: Colony Sim 29.4% ★, City Builder 19.8%, Base Building 17.3%, Building 9.1%, Strategy 7.4%
- #45 Mars Era
71% matchNo user reviews2027
Dev: Osis Studio
Windows
Mars Era is a turn-based strategy game about Mars colonization. Build your base, welcome settlers, gather resources, research technologies, and overcome the harsh conditions of the Red Planet. Manage your settlers, develop infrastructure, and turn Mars into a new home for humanity! 🚀
Why similar: Mars 27.3% ★, Colony Sim 22.3% ★, City Builder 14.2%, Base Building 8.6%, Resource Management 8.1%
- #46 Kingdoms and Castles
72% matchVery Positive93% of 30,837 reviews2017
Dev: Lion Shield, LLC
Windows · Mac · Linux
Median: 6.1 hrsMean: 16.0 hrs≥1hr: 88%
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
Why similar: Colony Sim 31.9% ★, City Builder 22.8%, Base Building 9.1%, Building 8.1%, Strategy 6.5%
- #47 Outer Space Shack
71% matchMixed46% of 13 reviews2023
Dev: Open Lowcode SAS
Windows
Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.
Why similar: Mars 29.1% ★, Colony Sim 20.8% ★, Base Building 13.5%, City Builder 13%, Survival 5.8%
- #48 Powerplay
70% matchNo user reviews
Dev: Frantic
Windows · Mac · Linux
Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.
Why similar: Colony Sim 19.6% ★, RTS 17.7%, Base Building 16.2%, City Builder 12.3%, Resource Management 10.1%
- #49 Architect of Ruin
69% matchNo user reviews
Dev: Dead Money LLCPub: Hooded Horse
Windows · Linux
Architect of Ruin is a completely hand drawn sword and sorcery colony simulation game. Farm, hunt, build, and survive as you rebuild an ancient temple under the gaze of a vengeful god.
Why similar: Colony Sim 22.9% ★, Base Building 14.6%, City Builder 13.1%, Resource Management 8.7%, Building 7.4%
- #50 Aztecs: The Last Sun
67% matchMostly Positive78% of 98 reviews2025
Dev: Play2Chill S.A.Pub: Toplitz Productions
Windows
Rule Tenochtitlan in this survival city-builder where gods decide your fate. Expand the capital, perform sacred rituals, and withstand the coming darkness. Build, grow, sacrifice, survive - or watch the last sun set forever.
Why similar: Colony Sim 20.6% ★, City Builder 13%, Base Building 12.5%, RTS 12.1%, Resource Management 8.6%
- #51 Oikizo
69% matchNo user reviews2025
Dev: L2N Game Studio
Windows
Oikizo is a city-building game. Start by placing your first building and a few citizens, then make your city prosper. The strength of Oikizo lies in the ability to manage a city cooperatively with your friends.
Why similar: Colony Sim 26.2% ★, RTS 18.3%, City Builder 16%, Action RTS 10.5% ★, Base Building 9.1%
- #52 Sylox
68% matchNo user reviews
Dev: Moonz
Windows
Sylox is a short, minimalist base-building game with a touch of worker placement and strategic expansion. Assign workers to key tasks, unlock new buildings, expand, and defend your growing base against increasing enemy attacks.
Why similar: Colony Sim 34.3% ★, City Builder 17.9%, Tower Defense 16.7%, Base Building 11.2%, Strategy 9.4%
- #53 Surviving Mars: Relaunched
66% matchMixed52% of 1,856 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 12.4 hrsMean: 26.6 hrs≥1hr: 90%
The award-winning sci-fi city builder is back - remastered, expanded and even more stunning. Colonize Mars and survive the process, from exploration and infrastructure to welcoming colonists and achieving long-term stability. Are you ready? Mars is waiting.
Why similar: Mars 27.8% ★, Colony Sim 21.4% ★, City Builder 12.5%, Base Building 8.2%, Building 5.9%
- #54 Civica: Italian Renaissance
67% matchNo user reviews
Dev: White Vertex Studios
Windows
Build your Italian empire in this realistic medieval RTS that combines truly organic city building and immersive roleplaying. City-states compete for influence, families such as the Medici try to divide power among themselves and artists create masterpieces that define an entire era.
Why similar: Colony Sim 24% ★, City Builder 19.6%, RTS 18.6%, Strategy 9.3%, Base Building 6%
- #55 Oxygen Not Included
68% matchOverwhelmingly Positive97% of 138,890 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 67.7 hrs≥1hr: 86%
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Why similar: Colony Sim 36.7% ★, Base Building 21.9%, Resource Management 10.6%, Survival 10.4%, Building 7.6%
- #56 Parabellum: Siege Of Legends
67% match8 user reviews38% of 8 reviews2025
Dev: Studio Baikin
Windows
An epic war and strategy game set in the medieval universe.
Why similar: Colony Sim 27.7% ★, Tower Defense 19.2%, Base Building 13.4%, Strategy 11.9%, Building 10.9%
- #57 Bunny Bunker
66% matchPositive100% of 10 reviews2025
Dev: Polyspice Games
Windows · Mac · Linux
Strategy by day, tactical tower defense by night. Build a bunny colony, manage resources, and defend against nightly monster attacks in this mix of city building and tower defense. Help your bunnies escape to the stars before the darkness destroys everything.
Why similar: Colony Sim 17.1% ★, Base Building 15.5%, RTS 15%, Tower Defense 14.4%, Resource Management 9.5%
- #58 DarkSwitch
67% matchNo user reviews2026
Dev: Cyber TemplePub: Cyber Temple Games LLC
Windows
DarkSwitch is a vertical survival city builder. Build a city on a great tree and defend it against the Fog. Face the challenges of limited real estate, scarce resources, and tough moral choices as you seek to uncover the mystery of the Veil. The Tree Provides! The Tree Protects! The Tree Prevails!
Why similar: Colony Sim 23.7% ★, City Builder 14.3%, Tower Defense 13.7%, Base Building 13.7%, Resource Management 8.3%
- #59 Ignis Corruption
68% match8 user reviews63% of 8 reviews2022
Dev: Anderson Marques
Windows
In this Procedural City-Building and Survival game, you must manage your resources, expand your village, assemble an army and destroy the source of evil, which changed the entire eco system of a land that was once prosperous and peaceful.
Why similar: RTS 17.3%, Base Building 14.7%, Tower Defense 13.8%, City Builder 13.3%, Resource Management 8.8%