Cataclismo

Base-building strategy with modular fortresses against nightly monster attacks

Digital Sun · Published by Hooded Horse · Released Mar 20, 2025

Simulation Strategy

Reviews: Very Positive; 89% of 4,346
Recent reviews: Very Positive; 83% of 59 in 30 days
Playing now: 49; peak 24h 56
Steam Deck: Playable
Last update: 1 week ago; Sep 15, 2026

Free demo available, 0 playing it now: get the demo.

Metacritic: 82/100 (critic reviews)

What is Cataclismo?

A base-building strategy game set after a catastrophe, with the last human survivors defending against waves of monsters. You gather resources, build wood and stone fortresses piece by piece, and position troops for attacks that intensify at night.

For you if...

+you like designing defenses one piece at a time
+you enjoy balancing resource management with nightly sieges
+you want challenging base defense with troop control

Not for you if...

−you prefer quick construction over detailed wall building
−you want relaxed pacing without recurring enemy waves
−you dislike managing resources alongside tactical defense

What players say

89% of 4,346 reviews are positive · 83% of 59 in the last 30 days

Players praise the modular building system and art direction. Many find constructing walls, stairs, and roofs tedious, while others say resource management and uneven difficulty make defending the settlement frustrating.

Screenshots and trailer

Cataclismo system requirements

As published by the developer.

Minimum

OS: Windows® 10 (64-bit)
Processor: Intel® Core™ i7-4770 (quad-core) / AMD® FX-Series™ FX-9590 (quad-core)
Graphics: NVIDIA® GeForce® GTX 760 (2 GB) / AMD® Radeon™ R9 270X (2 GB)
Memory: 8 GB RAM
Storage: 10 GB available space
DirectX: Version 11

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 43
Steam features: Workshop, Cloud saves, Family Sharing, Trading cards

Steam Deck: Playable

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Full audio: English. Text only: French, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Korean, Polish, Hungarian, Italian, Czech, Turkish, Ukrainian.