Mineuniverse
Mods
Criticality

Criticality

MOD
Adds reactors to the game
by Antzar132
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38 downloads
0 likes
Updated Oct 14, 2026
0 hypes
Addons Energy Energy, Fluid, and Item Transport Miscellaneous Technology
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Criticality adds multiblock nuclear reactors modelled on the real designs, and the steam plant to run them.

13 reactors, each its own building and its own way of failing: Graphite Pile, TRIGA, PWR, BWR, CANDU, RBMK, Magnox, AGR, HTGR, Microreactor, Molten Salt Reactor, LFTR and a Sodium Fast Breeder.

A real simulation every tick: neutron kinetics, xenon, decay heat, temperatures, pressure, boiling and burnup. Control rods, AUTO regulator, SCRAM, and trips you can switch off at your own risk.


Steam plant: boilers, steam engines, a multiblock turbine you build blade by blade, cooling towers, pipes and cables.
Inspection Goggles: look at any pipe, machine or reactor block to see what flows through it and what it is doing.


Operator's Manual with a step-by-step start-up for every reactor, and a **Structure Projector** that shows every blueprint as a hologram.


Meltdowns: steam explosions, hydrogen burns, corium and mushroom clouds that leave irradiated ground. World damage can be turned off for servers.

Mekanism support: This is the core feature of the mod, as all of the energy can be converted to mekanism energy.

The mod is in a very early state, i dont know if i will update it or not, it depends on how the mod will sit with downloads

Forge 1.20.1, NeoForge 1.20.1 and NeoForge 1.21.1. No other mods required.

criticality-neoforge-1.21.1-0.3.0.jar
MC Client, 1.21.1, NeoForge, Server
Release 2026-10-07 Get
criticality-forge-1.20.1-0.3.0.jar
MC Client, 1.20.1, Forge, Server
Release 2026-10-07 Get
criticality-neoforge-1.20.1-0.3.0.jar
MC Client, 1.20.1, NeoForge, Server
Release 2026-10-07 Get

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