ModsJava
Nuclear Age
Java mod listed for Minecraft 1.21. File opened and checked on 15 Oct 2026; downloads from the MC Java Mods app on Android.
A Mod that aims to add realistic nuclear reactors with functioning radiation and a requirement to get rid of waste.
⬇ Download on ModrinthThis 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.
File checked by MCModsHub
- Ships as nuclearage-0.0.9.jar — drop this file into the mods folder
- Download size: 177 KB
- Download link checked 16 Oct 2026 — working
These come from our own check of the pack file, not from the source page.