Games Like Cataclismo

Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

Why similar: Colony Sim 26.2%, Historical 19.5%, Base Building 16.6%, Resource Management 13.8%, RTS 10.8%

Why You'll Like It: It mirrors the siege defense focus of the seed game, tasking you with building fortifications to withstand thousands of attacking units.

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 26%, Base Building 21.7%, RTS 15.1%, City Builder 10.5%, Survival 9%

Why You'll Like It: This game is the gold standard for RTS base defense, requiring you to build impenetrable walls to survive massive waves of enemies.

A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.

Why similar: Diplomacy 10.5% ★, Grand Strategy 9.8% ★, 4X 9.5% ★, Colony Sim 8.8%, Moddable 8.1% ★

Why You'll Like It: This roguelite city builder captures the high-stakes pressure and resource management required to survive in a hostile, ever-changing environment.

Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!

Why similar: Base Building 21%, City Builder 20.4%, Colony Sim 18%, RTS 13.5%, Building 10.4%

Why You'll Like It: This title focuses specifically on building medieval castles and defending them against nightly sieges, matching the core loop of the seed game.

Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.

Why similar: Grand Strategy 16.3% ★, City Builder 13.2%, Historical 10.3%, Base Building 9.6%, Diplomacy 6.3% ★

Why You'll Like It: It offers a grounded, realistic approach to medieval city building with tactical combat that rewards thoughtful defensive positioning.

Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.

Why similar: Colony Sim 14.3%, Moddable 13.2% ★, City Builder 11.5%, RTS 9.2%, Historical 9.2%

Why You'll Like It: The voxel-based building system allows for intricate fortress design and vertical defense strategies similar to the seed game.

Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.

Why similar: RTS 25.5%, Base Building 23.2%, Building 17.1%, Resource Management 13%, Survival 13%

Why You'll Like It: It combines RTS base building with a dark, atmospheric setting and massive horde survival mechanics.

Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

Why similar: City Builder 16.6%, Colony Sim 14.5%, RTS 10.3%, Economy 9.3%, Base Building 8.9%

Why You'll Like It: As a classic of the genre, it provides the definitive experience of building complex castles and managing sieges.

Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Why similar: Grand Strategy 9.4% ★, Diplomacy 9.2% ★, 4X 8.9% ★, Colony Sim 8.4%, Moddable 7.6% ★

Why You'll Like It: This RTS focuses on base management and defensive expansion, providing a unique perspective on colony survival.

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 13.7%, City Builder 13.6%, 4X 12.6% ★, RTS 7.2%, Base Building 6.8%

Why You'll Like It: It focuses on the satisfying process of building a kingdom from the ground up while defending it against dragons and Viking raiders.

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: 4X 13.6% ★, City Builder 11.7%, Colony Sim 11.3%, Building 8.7%, Historical 7.9%

Why You'll Like It: This city builder emphasizes survival and defensive planning against harsh environments and raider attacks.

The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

Why similar: Base Building 22.5%, RTS 15.1%, Economy 13.7%, Building 11.9%, Sandbox 11.5%

Why You'll Like It: This game blends base building and tower defense with action-oriented combat against alien hordes.

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Why similar: Colony Sim 22.4%, Moddable 14.8% ★, Base Building 13.6%, City Builder 9.4%, Survival 7.7%

Why You'll Like It: While more of a colony sim, its deep base-building mechanics and constant threat of raids make it a perfect fit for fans of defensive strategy.

Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.

Why similar: Grand Strategy 10.4% ★, 4X 10.2% ★, Colony Sim 9.7%, Moddable 8.6% ★, City Builder 8.2%

Why You'll Like It: It blends colony management with medieval political intrigue and defensive planning.

Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.

Why similar: Colony Sim 19.4%, City Builder 16.2%, Base Building 12.3%, Building 10%, Sandbox 9%

Why You'll Like It: The depth of its structural building and the constant need to defend your fortress from subterranean threats make it a must-play for fans of complex base-building.

The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.

Why similar: Grand Strategy 10% ★, Diplomacy 9.7% ★, 4X 9.2% ★, Colony Sim 8.6%, City Builder 8.2%

Why You'll Like It: This city builder focuses on resource management and infrastructure, providing a satisfying building experience in a historical setting.

Develop, expand, and advance your city in a society survival game set 30 years after an apocalyptic blizzard ravaged Earth. In Frostpunk 2, you face not only the perils of never-ending winter, but also the powerful factions that watch your every step inside the Council Hall.

Why similar: City Builder 34.2%, Resource Management 14.9%, Survival 14.3%, Strategy 8.6%, Colony Sim 7.9%

Why You'll Like It: The focus on survival, resource management, and making difficult decisions under extreme pressure mirrors the tension found in the seed game.

Manage your own medieval smithy in Blacksmith Master and supervise the entire process from mining ores and gems to designing and selling finished products. Forge everything from weapons and armor to tools and cooking utensils to fund your craft and become the Blacksmith Master.

Why similar: Colony Sim 13.8%, Moddable 12.6% ★, City Builder 11.9%, Base Building 8.9%, Economy 8.5%

Why You'll Like It: It offers a more focused management experience that complements the building and economy aspects of the seed game.

A medieval city under siege and a handful of civilians are all that keep the walls from falling. Mixing survival strategy and resource management, build your camp, craft supplies, and scavenge the occupied city to supply the last troops holding back the invaders.

Why similar: City Builder 20.2%, Economy 14.3%, Base Building 13.2%, Historical 12.4%, Resource Management 11%

Why You'll Like It: It captures the desperate, claustrophobic feeling of being under siege and the necessity of managing limited resources to survive.

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 18.2%, City Builder 16%, Moddable 9.5% ★, Survival 7.1%, Economy 6.9%

Why You'll Like It: This survival-focused city builder requires careful resource management and defensive planning to keep your population alive.

Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

Why similar: City Builder 21.4%, Colony Sim 20.4%, Base Building 11.2%, Building 9.4%, Sandbox 8.6%

Why You'll Like It: Its unique vertical building mechanics and water-management systems provide a satisfying engineering challenge similar to structural building games.

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 18.6%, Colony Sim 17.8%, Economy 12.2%, Base Building 9%, Resource Management 8.5%

Why You'll Like It: The requirement to build vertically on small, isolated cliffs creates a unique defensive and spatial management challenge.

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: City Builder 25.3%, Colony Sim 22%, Base Building 11.6%, Survival 10.3%, Strategy 7.6%

Why You'll Like It: The post-apocalyptic setting and focus on building a secure colony against external threats align well with the seed game's themes.

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 21.1%, Colony Sim 18.5%, Base Building 10.4%, Resource Management 9.8%, Survival 8.8%

Why You'll Like It: This space-based city builder emphasizes survival and structural integrity in a hostile, high-pressure environment.

LEAD the CULT OF CTHULHU. Decide the fate of your followers, perform eldritch rituals, and master the art of city-building in a world where the line between sanity and madness blurs. Can you endure the horrors you unleash?

Why similar: Colony Sim 20.6%, City Builder 14.2%, Alternate History 11.5%, Base Building 10.3%, Sandbox 9.6%

Why You'll Like It: It combines colony management with a dark, atmospheric theme that resonates with the tone of the seed game.

Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

Why similar: City Builder 27.5%, Colony Sim 9.3%, Economy 8.2%, Building 7%, Sandbox 6.9%

Why You'll Like It: This grid-less city builder offers a more organic approach to building that allows for creative fortress and settlement design.

Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.

Why similar: Colony Sim 36.1%, Building 17.4%, Sandbox 13.2%, Survival 7.7%, Strategy 7.6%

Why You'll Like It: This voxel-based strategy game allows you to build castles brick by brick and defend them with specialized units.

Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.

Why similar: Diplomacy 10.1% ★, Grand Strategy 9.8% ★, 4X 9.5% ★, Colony Sim 9.2%, Moddable 8% ★

From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.

Why similar: RTS 25%, City Builder 24.7%, Strategy 14.3%, Base Building 11.3%, Management 9.6%

Why You'll Like It: This RTS is built entirely around the concept of base defense against waves of enemies in a brutal fantasy setting.

Endzone 2 is a post-apocalyptic survival colony builder, where you embark to secure humanity's survival after a cataclysmic disaster. Discover and repopulate the last habitable grounds, while the survival of your people hinges on your wits, foresight, and resilience in a harsh and unforgiving world.

Why similar: Colony Sim 20.1%, City Builder 16.4%, Economy 9.9%, Base Building 9.7%, Sandbox 8.4%

Why You'll Like It: The focus on building a sustainable colony in a dangerous, post-apocalyptic world requires constant defensive vigilance.

Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!

Why similar: Grand Strategy 10.6% ★, Colony Sim 9.1%, City Builder 8.7%, Diplomacy 8.2% ★, 4X 7.7% ★

Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!

Why similar: City Builder 20.8%, Base Building 18.5%, Colony Sim 16%, RTS 11.7%, Management 8.8%

Why You'll Like It: It tasks you with fortifying real-world locations against zombie hordes, emphasizing the importance of base defense and resource gathering.

You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.

Why similar: Diplomacy 10.2% ★, Grand Strategy 9.4% ★, 4X 8.9% ★, Colony Sim 8.1%, Moddable 7.8% ★

Build massive ocean cities and lead your people to prosperity in this post-apocalyptic survival colony sim. Featuring a physics-based 3D construction system, complex resource management, exploration, difficult political decisions, supply chains, and a robust sandbox mode.

Why similar: Colony Sim 21.5%, City Builder 16.1%, Base Building 13.5%, Sandbox 8.6%, Resource Management 7.4%

Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.

Why similar: Grand Strategy 10.5% ★, Colony Sim 9.2%, City Builder 9.2%, Diplomacy 7.9% ★, 4X 7% ★

At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!

Why similar: Colony Sim 16.7%, City Builder 14.3%, RTS 10.4%, Base Building 9.8%, Building 8.1%

Rule Tenochtitlán in this survival city-builder where gods decide your fate. Confront the Moon Goddess and her generals. Delve into the intricate story, survive the nights in the Sandbox mode, or build freely in the Creative mode. The last sun is yours to save, or… lose!

Why similar: Colony Sim 13.5%, City Builder 12%, Historical 8.7%, Economy 8.4%, Base Building 8.2%

Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.

Why similar: Colony Sim 18.9%, City Builder 13.7%, Base Building 11.5%, Building 10.2%, Management 7.5%

Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.

Why similar: Colony Sim 17.4%, City Builder 14.9%, Alternate History 10.9%, RTS 9.9%, Base Building 9.8%

Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.

Why similar: 4X 19.9% ★, Diplomacy 14.8% ★, City Builder 11.8%, Base Building 11%, Historical 10.8%

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: Colony Sim 16.8%, City Builder 15.6%, Base Building 11.7%, Economy 8.2%, Resource Management 8.1%

Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.

Why similar: City Builder 28.6%, Colony Sim 12.5%, Base Building 12.3%, Survival 11.4%, Building 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 21.1%, Colony Sim 20.5%, Building 11.1%, Management 8.9%, Survival 8%

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 20.7%, City Builder 14.4%, Strategy 9.8%, RTS 9.6%, Survival 8.8%

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 18.1%, RTS 13.2%, City Builder 13%, Base Building 11.7%, Resource Management 8.5%

The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?

Why similar: Colony Sim 20.9%, City Builder 19.4%, Management 10.7%, RTS 10.6%, Resource Management 9.9%

Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?

Why similar: City Builder 23.9%, Colony Sim 19.6%, Resource Management 11.6%, Survival 10.6%, Building 7.1%

Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?

Why similar: Colony Sim 18%, City Builder 16.9%, Base Building 10.7%, Building 9.3%, Economy 9.1%

Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?

Why similar: Colony Sim 25.2%, Base Building 14.6%, Survival 9.9%, City Builder 8.5%, Sandbox 7.1%

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 18.2%, City Builder 16.1%, Base Building 10.3%, Resource Management 9%, RTS 8.1%

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: Colony Sim 16.9%, City Builder 14.3%, Historical 13.3%, 4X 12.1% ★, Base Building 10.2%

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 17.1%, City Builder 14%, Base Building 13.1%, RTS 11.2%, Resource Management 9.3%

Aquatico is a classic city builder set within the depths of the sea. Strategically build an underwater colony atop the ocean floor and face the challenges that accompany oceanic life.

Why similar: Colony Sim 20.4%, City Builder 19.2%, Economy 10.4%, Base Building 9.9%, Building 8.8%

Ancient Cities is a realistic, survival city builder in an immersive procedural environment. Lead the fate of your tribe through ancient times!

Why similar: Moddable 15.4% ★, City Builder 15%, Historical 12%, Colony Sim 10.7%, Economy 8%

Will your castle survive the relentless onslaught, or collapse under pressure? Build, manage resources, and outsmart your foes in a world where everything can be destroyed. Use strategy and creativity to turn the chaos into your greatest advantage!

Why similar: City Builder 28.8%, Survival 16.6%, Base Building 16.6%, Building 13.2%, Sandbox 12.1%

Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!

Why similar: Colony Sim 15.7%, City Builder 14.8%, Economy 9.1%, RTS 8.9%, Base Building 8.4%

A colony-building game combined with grand strategy elements. Play as a tribal leader, guiding your people from the Stone Age to the Bronze Age. Survive, multiply, and compete for territory among ancient nations.

Why similar: Diplomacy 17.7% ★, Colony Sim 14.6%, City Builder 12.4%, Historical 9.1%, Base Building 9.1%

Build a settlement in a realm recovering from the Fracture, a calamity that nearly destroyed the realm. Choose from several unique races, establish a new kingdom, and survive in a land filled with magic and strange creatures. Farm the land, fish the seas, or raid rival kingdoms for their treasures.

Why similar: Colony Sim 20.9%, City Builder 13.8%, Base Building 12.8%, Resource Management 9.3%, Management 9.1%

This Goblin Tribe Simulator brings a challenging blend of chaos and creativity to the city-building genre. Build dwellings, manage your resources, defend your goblins, and grow your tribe, and please the Gods! Do you have what it takes to control the chaos and rule the unruly?

Why similar: Diplomacy 14.3% ★, 4X 13.2% ★, Grand Strategy 12.4% ★, Colony Sim 11.8%, City Builder 10.7%

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

Why similar: Colony Sim 18%, City Builder 14.8%, RTS 11.8%, Base Building 11.2%, Economy 11%