CurseForge · Minecraft mod
Errorcore
A Minecraft mod adding biome-specific corrupted mobs, powerful bosses, custom gear, and survival challenges.
Quick answer
Which Errorcore release matches 1.20.1 Forge?
Errorcore 1.1 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 Errorcore 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 Errorcore 1.1 need?
Errorcore 1.1 on 1.20.1 Forge. Every mod below is checked against that same setup.
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 Errorcore without breaking your instance.
Built for Errorcore 1.1 on 1.20.1 Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Errorcore 1.1. 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 Errorcore 1.1. It opens that exact file at the source.
About this project
What does Errorcore add?
ErrorCore 1.1 is a major corruption survival expansion that pushes the mod beyond basic mob pressure and into a deeper progression-driven survival experience. This update adds new corrupted progression items, stronger biome instability, more dangerous hostile events, and a broader set of late-game tools for surviving the world’s growing instability. Players now have access to stronger relics, ritual-based utility, and more powerful support items that reward risk-taking while increasing the danger around them.
The update expands the survival loop with more hostile mob variety, heavier corruption pressure, and more intense event-driven encounters across different biomes. New progression-focused gear introduces more options for combat, defense, and environmental control, while shrine and catalyst interactions become a more important part of the mod’s overall progression. This version is designed to make the world feel more alive, more hostile, and more rewarding for players who push deeper into corruption and chaos.
Project description from CurseForge.
Pick your setup
Errorcore 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
Errorcore versions and loaders
Errorcore 1.1
errorcore-1.1.jar
15 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.