00:00:00time since the initiating event

What happened

Disable the passive systems

Turn this on and the Gen III+ unit loses the things that make it passive. It is the fastest way to see that the difference is real.

Reactors

Graphics

Refraction real see-through water; costs about a third of the frame rate Bloom glow round hot and lit things Shadows Reflections on metal and glass Full pixel density sharper, half again the fill Bubbles and drops Steam volumes Resolution100%drawn smaller and stretched; the biggest lever on a phone

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Getting around

Drag to turn the view, scroll or pinch to zoom.
W A S D moves it; ⛶ puts it back.
Click a pipe to break it.
Requirements and proof: every review point, with a screenshot.

A working nuclear station, cut open

Same accident.
Two reactors.
One of them melts.

Fukushima. Three Mile Island. Chernobyl. A total blackout. Run any of them at both stations at once and watch where they part company.

Needs power Pumps hold the water over the fuel. Take the electricity away and the clock starts running.

Needs nothing Water falls, steam rises, the outside air carries the heat off. There is nothing to switch on.

Nine of them, from the design-basis case to everything at once. Break any pipe you like with a click.

What is real here, and what is not

Same accident.Two reactors.One of them melts.

Same accident.
Two reactors.
One of them melts.