How do I install Nuclear Age?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Nuclear Age work with?

The listing gives Minecraft 1.21.1. This is the version stated by the author or source site, not something we verified ourselves.

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Nuclear Age

by KrisHD1337 · on Modrinth

A Mod that aims to add realistic nuclear reactors with functioning radiation and a requirement to get rid of waste.

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

This is a Mod that aims to add full functional multiblock nuclear reactors based on realistic designs and specifications. Be carefull though because they might go full Chernobyl mode! Radiation is also a thing so be careful around anything radioactive.

This is an alpha build without functioning Reactors

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Ships as nuclearage-0.0.9.jar — drop this file into the mods folder
Download size: 177 KB
Download link checked 5 Sept 2026 — working

These come from our own check of the pack file, not from the source page.

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