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Cataclismo

Very Positive · 3.9k reviews · Simulation · 2025

Cataclismo

7 of the 12 games like Cataclismo are rated Very Positive or higher on Steam. 2 of them are free to play. Prices range from $6.49 to $29.99. Released 2021–2026. They notably share the Base Building, Colony Sim tags.

Final Outpost: Definitive Edition

Mostly Positive · 197 reviews · Simulation · 2025

Like Cataclismo: Base Building · Strategy · Survival

Mostly Positive · 197
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?
AISurvive the zombie horde
Simulation2025.05.22
$9.99 $6.49

After Long Night

Mostly Positive · 376 reviews · Indie · 2025

Like Cataclismo: Colony Sim · Zombies · RTS

Mostly Positive · 376
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.
AIScavenge, fortify, and survive zombie nights
Indie2025.09.19
$9.99 $7.99

From Glory To Goo

Overwhelmingly Positive · 1.8k reviews · Simulation · 2024

Like Cataclismo: Tower Defense · Base Building · City Builder

Overwhelmingly Positive · 1.8k
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
AIHold the line against The Goo
Simulation2024.04.02
$11.99

Diplomacy is Not an Option: Shareware

Very Positive · 805 reviews · Simulation · 2025

Like Cataclismo: Strategy · Colony Sim · Tower Defense

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.
AIDiplomacy is not an option
Simulation2025.04.30
Free

New Cycle

Mostly Positive · 2.6k reviews · Indie · 2024

Like Cataclismo: Building · Survival · City Builder

Mostly Positive · 2.6k
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
AIRebuild after the flares
Indie2024.01.18
$29.99

Here Comes The Swarm

Very Positive · 310 reviews · Indie · 2026

Like Cataclismo: Resource Management · Base Building · Strategy

Very Positive · 310
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?
AISurvival RTS with a pause button
Indie2026.03.05
$19.99 $13.99

Oxygen: First Breath

Very Positive · 1.7k reviews · Indie · 2022

Like Cataclismo: Singleplayer · Colony Sim · Survival

Very Positive · 1.7k
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!
AIBuild a city from the ruins
Indie2022.10.07
Free

Surviving the Aftermath

Mostly Positive · 3.1k reviews · Simulation · 2021

Like Cataclismo: Post-apocalyptic · Building · Management

Mostly Positive · 3.1k
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.
AISurvive and thrive post-apocalypse
Simulation2021.11.16
$29.99

BARRICADEZ

Mostly Positive · 118 reviews · Indie · 2021

Like Cataclismo: Zombies · Indie · Tower Defense

Mostly Positive · 118
Barricadez is a mix of tower defense and survival game. Take on your care robot and explore the underground, find new blueprints, gather resources and build your defenses and traps to survive through the night against a myriad of zombie-like creatures. Your goal: to defend the defenseless cradle.
AIBuild defenses to survive underground zombie nights
Indie2021.09.29
$18.99

Infection Free Zone

Very Positive · 16.5k reviews · Action · 2024

Like Cataclismo: Post-apocalyptic · RTS · Zombies

Very Positive · 16.5k
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!
AIRebuild your real city
Action2024.04.11
$24.99

Of Life and Land

Very Positive · 286 reviews · Indie · 2025

Like Cataclismo: City Builder · Resource Management · Strategy

Very Positive · 286
Of Life and Land is a charming settlement-building strategy game paired with a rich simulation experience. Every animal and plant strives to find its place in nature while you lead your villagers to their future. Expand to different regions and trade with local factions to gain needed resources.
AILead your settlement to a future
Indie2025.05.16
$24.99

Ratopia

Very Positive · 4.6k reviews · Adventure · 2025

Like Cataclismo: Difficult · Building · Base Building

Very Positive · 4.6k
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.
AIBuild a city of rats
Adventure2025.04.30
$22.00