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Games Simulation Cataclismo
Simulation · Digital Sun

Cataclismo

Cataclismo
Steam Deck Playable 🖥 Windows
Very Positive · 89% of 4,191
DeveloperDigital Sun
$14.99 −50% near all-time low
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Our take

Great time to buy

Strong reviews, and it's near its cheapest ever.

Quality89/100
Excellent
  • 89% positive of 4,191 reviews
Value100/100
Lowest ever
  • Now $14.99 — 50% off $29.99
  • Lowest we've recorded: $14.99

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About

Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.

Lead the last survivors in the aftermath of the Cataclismo as a corrupted world seeks to destroy all that remains of humanity. Build fortresses brick by brick, designing intricate, towering structures of wood and stone to fend off waves of Horrors as they attempt to overwhelm your band of survivors. Command powerful units in their stalwart defense, coordinating their varied capabilities as you race from breach to breach. Lead forays into the unknown to secure the vital resources needed to grow your military might and construction capabilities as you hold fast against the ever-growing onslaught – siege after siege, night after night.

Far from the relative safety of the Last City, your citadels and outposts hold back the hordes of Horrors before they can strike at the heart of humanity. Build impregnable fortresses across multiple biomes using an intricate building system that allows you to design your defenses with full freedom and strategic creativity, adapting your plans to the surrounding environment. Take advantage of natural chokepoints, height advantages, and local resources as you strategize for the challenge of each upcoming night’s attack.

  • A highly modular building system allows you to design your fortresses exactly as you desire – one piece at a time, with blueprints you have designed in advance, or using community creations shared by other players. Use your hard-earned resources to build structures that grant access to previously unreachable parts of the map, or construct fortifications that deny the Horrors access and provide your troops safe vantage points.

  • Build cheaply and quickly using wood, or establish quarries and use durable stone to better withstand the onslaught. Keep an eye on structural integrity and load-bearing columns as falling pieces will kill friend and foe alike, often creating unique opportunities to crush numerous enemies with cleverly placed vulnerabilities.

  • Adapt your fortress to growing needs as you acquire new tools and expand in an attempt to secure all the resources needed to sustain a powerful defensive force. Optimize the path from resource deposits to your warehouses with well placed structures and use rooftop construction to make the most of your limited space.

Though the Horrors may test your defenses during the day, only at night do they pour forth in full force. Spend your days exploring the world and pursuing the growth of your fortress, but as the sun starts to set, you would be wise to position your forces in preparation for the night’s onslaught.

  • Skillfully command soldiers ranging from sharp-eyed bowmen to explosive cannoneers to respond to an ever-evolving situation as new Horrors emerge. Draw the enemy into chokepoints lined with devastating traps and ambush them raining down fire arrows and pots of poison flung from your battlements. Maneuver your troops into precise tactical positions to take advantage of special traits and abilities made available as they upgrade, positioning them at heights that let them perform at their best – a wise architect can design fortresses that allow for a tiered defense.

  • Build vital structures to sustain your defenses against the growing threat and unlock higher levels of prosperity alongside new technologies. Resource gathering outposts, unit recruitment centers, and housing for your citizens all directly and indirectly support your troops in their efforts. Should the walls falter, even your citizens' homes can be used as a secondary layer of defense – you must protect the citadel at all costs.

Cataclismo contains all three of: an epic single-player narrative campaign; a skirmish mode featuring hand-crafted maps; and an endlessly replayable challenge mode that puts you to the test on procedurally generated maps where you fend off increasingly dangerous waves of Horrors. A complex map editor gives you the ability to design and share skirmish maps of your own to challenge the community while the intricate construction system will allow the architecturally inclined to build and share blueprints and help others in their defense against the Horrors.

The Cataclismo left the world devastated. But all hope is not lost – lead humanity through the darkness to a bright future as you design grand fortresses and command troops in real-time battles against a seemingly endless horde that will stop at nothing to see your people destroyed.

Review sentiment over time
positive critical

Media

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System requirements

System requirements platform
Minimum
Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows® 10 (64-bit)
  • Processor: Intel® Core™ i7-4770 (quad-core) / AMD® FX-Series™ FX-9590 (quad-core)
  • Memory: 8 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 760 (2 GB) / AMD® Radeon™ R9 270X (2 GB)
  • DirectX: Version 11
  • Storage: 10 GB available space
Recommended
Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows® 10 (64-bit)
  • Processor: Intel® Core™ i7-6700 (quad-core) / AMD® Ryzen™ 5 1500X (quad-core)
  • Memory: 12 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 1050 Ti (4 GB) / AMD® Radeon™ RX 570 (4 GB)
  • DirectX: Version 12
  • Storage: 10 GB available space
Minimum
Minimum:
    Recommended
    Recommended:
      Minimum
      Minimum:
        Recommended
        Recommended:

          Achievements

          Showing the 16 most-earned of 43 achievements

          • CAS_CAMPAIGN_0_0
            78.7% of players
          • CAS_KILLHORRORS_1
            70.6% of players
          • CAS_STONEPIECES_1
            69.0% of players
          • CAS_CAMPAIGN_0_2
            51.4% of players
          • CAS_KILLHORRORS_2
            40.9% of players
          • CAS_STONEPIECES_2
            39.0% of players
          • CAS_ANYBOOKPAGE
            35.0% of players
          • CAS_CAMPAIGN_1_1
            35.0% of players
          • CAS_LOSEANYCAMPAIGN
            33.9% of players
          • CAS_KILLHORRORSFALLING
            24.7% of players
          • CAS_ANYCAMPAIGNSECONDARY
            23.8% of players
          • CAS_ONECOREKNOWLEDGE
            21.5% of players
          • CAS_CAMPAIGN_2_0
            21.1% of players
          • CAS_RESURRECT
            17.4% of players
          • CAS_STONEPIECES_3
            14.3% of players
          • CAS_CAMPAIGN_2_2
            14.2% of players

          Age rating & content

          dejus10
          Violência
          igrs13
          Kekerasan
          steam_germany12
          Gewalt

          Price history

          Lowest prices
          Lowest prices view
          All-time low $14.99
          2026-06-25
          Current $14.99
          3-month low $14.99
          12-month low $14.99
          All-time low $14.99
          2026-06-25

          Latest news

          Game info

          Developer Digital Sun
          Publisher Hooded Horse
          Platforms Windows
          Compatibility
          Steam Deck Playable
          Features
          Single-playerSteam AchievementsSteam CloudSteam Trading CardsSteam WorkshopFamily SharingSubtitle OptionsColor AlternativesCamera ComfortCustom Volume ControlsStereo SoundMouse Only OptionAdjustable DifficultySave Anytime