60+ similar titles based on shared tags and player behavior. Themes include Colony Sim, Strategy, Base Building, City Builder.
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.
Citizens: On Mars
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Sylox
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.
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Why similar: Mars 23.8% ★, Colony Sim 20.1%, City Builder 17.3%, Economy 8.7%, Base Building 8.6%
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 30.6%, City Builder 22.5%, Tower Defense 17.7%, Strategy 8%, Base Building 7.9%
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 28.2% ★, Colony Sim 19.5%, City Builder 15.3%, Base Building 9.8%, Economy 6.5%
Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.
Why similar: Mars 26.8% ★, Colony Sim 19.8%, City Builder 12.5%, Tower Defense 11.6%, Base Building 10.1%
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 32.5% ★, City Builder 17%, Colony Sim 13.8%, Base Building 10.2%, Space 5.5%
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 23.8% ★, Colony Sim 21.2%, City Builder 17.9%, Base Building 10.5%, Space 4.9%
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 25%, City Builder 21.9%, Mars 15.7% ★, Base Building 10.7%, Strategy 5.5%
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: Colony Sim 20.1%, City Builder 17.4%, Tower Defense 14.9%, Base Building 8.8%, Economy 8.2%
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 23.9% ★, Colony Sim 20%, City Builder 17%, Base Building 9.1%, Economy 7.6%
Build and manage a tropical island economy, optimize production chains, research new technologies, and defend your growing settlement against pirate threats in this relaxing yet strategic city-building game.
Why similar: Colony Sim 27.6%, City Builder 26.1%, Economy 10.8%, Base Building 8.7%, Management 6.7%
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 26.7% ★, Colony Sim 21.3%, City Builder 17.7%, Economy 7.5%, Base Building 6.4%
Build and lead a colony on the surface of an endless Wall. Manage resources and your people, develop new technologies, defend against relentless zyrex attacks, and send robo-spiders on risky expeditions. Keep the colony from collapsing – in Wall World, it's easy to fall.
Why similar: Colony Sim 22.5%, City Builder 15.8%, Tower Defense 15.2%, Base Building 10.2%, Economy 8.4%
Build a living colony on Mars. Manage oxygen, power and food, care for your colonists, trade with five alien species, and uncover buried ruins with scanners and mining rovers. Defend your settlement and research a future beyond survival.
Why similar: Mars 32.3% ★, Colony Sim 26.3%, Base Building 12.2%, Space 5.4%, Survival 5.1%
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 24.2%, City Builder 20.8%, Tower Defense 15.9%, Base Building 10.4%, Strategy 6.9%
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 31.4%, City Builder 25.6%, Base Building 13.9%, Space 8.2%, Strategy 5.4%
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 27.2% ★, Colony Sim 20.3%, City Builder 16.9%, Base Building 9.4%, Management 5.3%
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 25.8%, Colony Sim 22.8%, Base Building 10.1%, Space 10.1%, Strategy 6.1%
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
Why similar: Colony Sim 37.7%, City Builder 30.4%, Base Building 9.9%, Strategy 7.1%, Sci-fi 5.4%
After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!
Why similar: City Builder 21.6%, Colony Sim 20.7%, Tower Defense 11.9%, Economy 9.9%, Base Building 8.2%
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 Shroud. The Tree Provides! The Tree Protects! The Tree Prevails!
Why similar: Colony Sim 22.8%, City Builder 20.2%, Tower Defense 13%, Base Building 10.1%, Economy 6.7%
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 28% ★, Colony Sim 20.9%, City Builder 18.5%, Base Building 10.6%, Space 7.1%
A Business Colony Sim where you build your company on a hostile alien world. Keep your employees happy. Bring results—and profits—to investors. All at the same time!
Why similar: Colony Sim 28.2%, City Builder 25.4%, Economy 11.3%, Base Building 10.7%, Management 6.7%
NecroCity: Prologue is just part of the gameplay that awaits you in the full version of the game. Take on the role of the young Prince of Undead, trying to prove himself in the world of the Undead Kingdom. Push back the hordes of monsters and build your fortress! 🔥
Why similar: City Builder 23.9%, Tower Defense 20%, Colony Sim 17.7%, Base Building 12.6%, Management 7.4%
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 31%, City Builder 29.3%, Base Building 11.7%, Strategy 7.5%, Building 6%
A colony-building strategy about settling a hostile alien world. After a failed mission, your crew crash-lands on Erythra, cut off from Earth. Build a base from scratch, connect power and oxygen systems, manage colonists, and turn survival into a thriving colony.
Why similar: Colony Sim 26.3%, City Builder 22.9%, Base Building 14.3%, Economy 9.4%, Space 7.3%
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 27.6%, City Builder 22.5%, Base Building 13%, Space 7.9%, Strategy 6.2%
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 30.4%, City Builder 26.7%, Tower Defense 19.9%, Base Building 14.6%, Strategy 5.4%
Arcane Shores is a city-building strategy game infused with magic. Build, defend, and expand your settlement while casting powerful spells that bend nature, restore what’s broken, and turn the tide against your enemies.
Why similar: Colony Sim 31.1%, City Builder 28.1%, Economy 10.8%, Base Building 6.9%, Strategy 6.4%
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 27.7%, City Builder 25.2%, Base Building 9.3%, Tower Defense 9.2%, Management 6%
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 39%, City Builder 22.1%, Base Building 13.7%, Economy 4.9%, Strategy 4.9%
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 30.6%, City Builder 29.1%, Base Building 14.1%, Strategy 7.3%, Building 5.6%
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Why similar: Colony Sim 26.5%, Tower Defense 19%, City Builder 18.9%, Base Building 10.8%, Strategy 6.7%
Orbit Engineer – Build, grow, and survive in your own space station. Manage crew morale, supplies, and research while facing unpredictable space events and system failures. Every decision matters as you expand and fight to keep your station alive in space.
Why similar: Colony Sim 26.4%, City Builder 23.7%, Mars 17.4% ★, Strategy 9.6%, Economy 6.5%
A brutal godlike village sim that melds the god game, management, and tower defense genres! Fight off hoards of monsters at night, and expand your village in the day time. Inspired by games like Black and White, Rimworld, and Dwarf Fortress but not quite like any of them.
Why similar: Colony Sim 31.1%, City Builder 24.6%, Tower Defense 22.4%, Base Building 9.9%, Strategy 5.6%
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 24.7%, City Builder 24%, Base Building 14.4%, Economy 9.3%, Strategy 6.7%
You are dead. But your ghostly hand still commands. Hellcrown is a roguelite strategy game where every run unfolds into a chain of random stories, sieges, and consequences.
Why similar: City Builder 22.7%, Tower Defense 18.5%, Colony Sim 17.4%, Base Building 10.6%, Choices Matter 7%
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 27.5% ★, Colony Sim 23.4%, City Builder 21%, Base Building 7.1%, Management 6.5%
Become a mayor of a small town in a medieval city builder with advanced villager management. Develop a settlement in lands teeming with demons and other evil spirits. Consider the traits, desires and abilities of residents to survive and prosper.
Why similar: Colony Sim 26.8%, City Builder 24.6%, Base Building 12.8%, Choices Matter 7.9%, Economy 7.5%
A sci-fi life sim where you create new societies unlike anything on Earth. Design your economy and government, build your colony, and experience your choices firsthand by living as a colonist. Will your society become a living utopia, or another dystopia?
Why similar: Mars 22.3% ★, Colony Sim 20.3%, City Builder 16.8%, Economy 10.7%, Strategy 5.1%
You're the intelligent electronics of a Mars mission. Four capable crew members. You are not one of them. Your job: keep them alive and happy, they're the only ones who can succeed. Built under the advice of real astronauts, engineers & planetary scientists, the big decisions are yours to make.
Why similar: Mars 33.3% ★, Colony Sim 27.1%, Management 7.9%, Space 7.8%, Strategy 5.8%
Rebuild civilization in a world consumed by the blight. Manage survivors, defend against the dead, and transform a fragile camp into a thriving frontier settlement.
Why similar: Colony Sim 34.4%, City Builder 25.5%, Base Building 14%, Management 7.3%, Strategy 7.2%
Patron is a survival city builder with a unique social dynamics system. Gather and produce resources, build your fledgling village into a prosperous city and navigate the intricate social tensions before they reach boiling point.
Why similar: Colony Sim 30.4%, City Builder 26.7%, Base Building 8.4%, Economy 8.1%, Strategy 6.7%
Build a thriving settlement, manage individual settlers, master complex building systems, survive challenging conditions, and shape the story through your choices.
Why similar: Colony Sim 30%, City Builder 22.7%, Base Building 12.7%, Economy 8.4%, Management 5.9%
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: Colony Sim 23.1%, City Builder 17.9%, Mars 15% ★, Base Building 11.1%, Economy 8.2%
Your main task in NecroCity is to push back the hordes of monsters and build your fortress! Defend your undead outposts from the persistent forces of the so-called “good”! Take on the role of the young Prince of Undead, trying to prove himself in the world of the Undead Kingdom. 👹
Why similar: Colony Sim 28.7%, City Builder 24.9%, Base Building 13.6%, Strategy 7.1%, Tower Defense 6.5%
Embark on a journey to build a prosperous settlement in this colony sim with a richly simulated economy. Manage the land, citizens’ salaries, taxes, and laws. Experience a detailed world where every action has a reaction, and even the smallest events can shatter the kingdom’s fate.
Why similar: Colony Sim 28.8%, City Builder 25%, Economy 11%, Base Building 10.2%, Management 7%
Survive in the skies of Venus with your floating colony as you balance buoyancy, mass, and altitude. Launch balloons and probes to explore the planet while harvesting resources from the atmosphere. Build up your colony and thrive in a simulation based on real science. Venus awaits.
Why similar: Colony Sim 35.6%, City Builder 20.5%, Base Building 10.7%, Space 10.2%, Strategy 6.5%
In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.
Why similar: City Builder 30.2%, Colony Sim 29.2%, Management 8.2%, Base Building 7.5%, Building 6.7%
Built by Day, Bitten by Night is a cozy voxel city builder with a small problem: the zombies. And pirates. And yetis, robots, UFOs. Build your kingdom by day — farms, fountains, mansions, dragons. Defend it by night. How long can your keep survive till dawn?
Why similar: City Builder 31.2%, Colony Sim 30.2%, Tower Defense 11.6%, Base Building 10.3%, Strategy 9.2%
MARSBOUND is a survival game in sci-fi setting which combines elements of economic strategy and psychological thriller. The player assumes the role of an AI manager who must create the first Martian colony from scratch with Earth's brightest minds under their command.
Why similar: Colony Sim 31.7%, City Builder 28.5%, Strategy 11.9%, Economy 6.3%, Sci-fi 6.1%
Goblins live for about 20 days. Build a colony that outlasts them. Grow food, dig into the hillside, organize workshops and hauling, and prepare for raids. Raise the next generation and turn a woodland settlement into a fortress of their own.
Why similar: Colony Sim 35.5%, City Builder 21.4%, Base Building 15.6%, Management 8.2%, Strategy 7.2%
The spirit of the space race lives on in this Mars based colony sim. Mine, craft and research in order to build up your initial lander into a self sustaining colony. Keep oxygen levels high and CO₂ levels low. Discover and grow a variety of plants to balance out colonist nutrition.
Why similar: Colony Sim 35.6%, Mars 25.1% ★, Base Building 15.7%, Survival 6.1%, Management 5.9%
Build a fortress, command your army, and survive escalating Monster Tides in a fantasy base-building RTS. Explore the wilderness with your hero, claim Places of Power, and shape every run through powerful Oaths and Decrees.
Why similar: Colony Sim 36.8%, Base Building 19.8%, Tower Defense 12.9%, City Builder 12.4%, Strategy 7.9%
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 27.6%, City Builder 20.6%, Tower Defense 15%, Base Building 13.2%, Strategy 6.5%
Make Your Kingdom is a city-building game unique to its genre. Play as a founder of the settlement — help build your kingdom, carry the resources, talk to other settlers, motivate them and fight off hordes of orcs with your own sword!
Why similar: Colony Sim 26.2%, City Builder 24.4%, Base Building 11.2%, Economy 9.8%, Management 8%
An epic war and strategy game set in the medieval universe.
Why similar: Colony Sim 30%, Tower Defense 24.6%, Strategy 12.2%, Base Building 11.4%, Building 7%
Rebuild settlements entirely within a colossal generation ship in this turn-based city builder. Expand your city, manage limited resources and optimize production chains as you navigate difficult choices about humanity’s future among the stars.
Why similar: Colony Sim 26.8%, City Builder 24.2%, Base Building 10.5%, Management 7.5%, Space 6.8%
Build your spaceship, Gargantua. Establish industries, shape the free market, trade between planets, and defend your wealth. A single mistake can collapse supply chains and trigger interstellar economic crises. Remember, war is money.
Why similar: City Builder 27.9%, Tower Defense 21.4%, Economy 10.8%, Base Building 9.1%, Strategy 6.2%
