A satirical nuclear reactor management game about profit, control and the art of the acceptable catastrophe.

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About This Game

Mesozoikum: Reactor Civilization

Profit. Power. Consequences.

Take control of an aging nuclear reactor in a world where profit matters more than safety
and statistics can always be adjusted.

CONTROLLED MELTDOWN is a satirical nuclear management game where you oversee every aspect of a power plant:
neutron density, temperature, cooling systems, power grids, personnel —
and most importantly, how the truth is handled when things go wrong.

A small mistake?
→ Incident.
Ignored warnings?
→ Partial meltdown.
A really bad day?
→ Build a sarcophagus.

As long as the money keeps flowing, everything is… acceptable.

☢️ Core Features

🔧 Deep Reactor Management

  • Control rods, cooling loops, emergency power, venting & boric acid systems

  • Manual and automatic systems with real, cascading consequences

  • Balance stability, output and risk in real time

🚨 Crisis & Disaster Handling

  • Respond to incidents, system failures and core meltdowns

  • Decide when to intervene — and when to let things escalate

  • Not every disaster ends the game… some are just accounted for

🧠 Moral Choices Without Morality

  • Safety vs. profit

  • Personnel vs. expenses

  • Honesty vs. trust

Every decision affects reactor stability, public perception and your final balance sheet.

Dark Humor & Political Satire

  • Sarcastic awards for “successful” catastrophes

  • Absurd dialogue with safety regulators

  • A world where loyalty is praised and consequences are negotiable

🏗️ Infrastructure & Expansion

  • Build fire brigades, generators, enrichment facilities and control rooms

  • Upgrade systems to prevent — or survive — failure

  • The reactor grows more complex… and more dangerous

🏁 Multiple Outcomes

  • Stable operation

  • Controlled catastrophe

  • Total systemic collapse

🏅 Awards

Golden Comrade Star
“Hero of the Controlled Catastrophe.”

Silver Comrade Star
“Profit Despite Fireball.”

Bronze Comrade Star
“Avoided Unnecessary Catastrophes.”

⚠️ Disclaimer

This game is satire.
All depicted disasters, decisions and systems are fictional.
Any resemblance to real-world events is purely coincidental.
Probably.

Mature Content Description

The developers describe the content like this:

Themes such as nuclear meltdown, radiation, and disasters

Dark/cynical humor

Staff can die

System Requirements

    Minimum:
    • OS *: Windows 7, 8, 10
    • Processor: 1,5 GHz Dual Core Processor
    • Memory: 4 GB RAM
    • Graphics: DirectX 9 compatible GPU, 2GB dedicated VRAM (GeForce GTX 970 / Radeon RX 480)
    • Storage: 500 MB available space
    • Additional Notes: Disk space will change
    Recommended:
    • OS: Windows 10
    • Processor: 2 GHz Quad Core Processor
    • Memory: 16 GB RAM
    • Graphics: DirectX 11 compatible GPU, 6GB dedicated VRAM (GeForce GTX 1060 / Radeon RX 580)
    • Storage: 500 MB available space
    • Additional Notes: Disk space will change
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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