CurseForge · Minecraft mod
The Decay Era
The Decay Era mod adds new decay stuff into minecraft such as the decay biome, music disc, flower, sword and more.
Quick answer
Which The Decay Era release should I use?
The Decay Era the_decay_era.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is The Decay Era required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does The Decay Era the_decay_era.jar need?
the_decay_era.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add The Decay Era without breaking your instance.
Built for The Decay Era the_decay_era.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use the_decay_era.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside the_decay_era.jar. It opens that exact file at the source.
About this project
What does The Decay Era add?
The Decay Era mod adds new features to the average Minecraft world such as, the new decay biome, with the new, Sog fish, and a brand new epic decayed music disc, and more, such as, a new decayed sword, decay berries that you can get from the decayed berry bush, and a decay flower. The decay biome features villages, decay, bushes, and cooler features. The decay sword id very powerful, but easy to make using only a stick and dirt. More coming soon...
Project description from CurseForge.
Pick your setup
The Decay Era by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
The Decay Era versions and loaders
The Decay Era 1.2
the_decay_era-1.2.0-forge--1.20.1.jar
6 Sept 2026
the_decay_era.jar
24 Aug 2026
Looking for an older file? The official CurseForge project page is in Resources.