Fission

By
jacknackbackpack

The greatest atomic expert pack to ever exist

Fission 2.21

File nameFission2.21.zip

Uploader: jacknackbackpack
Uploaded: Mar 27, 2026
Downloads: 86
Size: 135.7 MB
Mod Loaders: Forge
File ID: 7821357
Type: R
Release

Supported game versions

1.7.10

Download Install Via App

What's new

hotpatch to fix broken questbook and minor bugfixes

This mod has no additional files