CurseForge · Minecraft mod
Greg-E-core
Core mod for modpack Greg-E.
Quick answer
Which Greg-E-core release should I use?
Greg-E-core gregecore-1.13.1-1.20.1.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Greg-E-core 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 Greg-E-core gregecore-1.13.1-1.20.1.jar need?
gregecore-1.13.1-1.20.1.jar. Change the file and its required mods may change too.
Install GregTech CEu Modern first. We found matching files for this game-version and loader setup. 6 come through another mod in the chain.
6 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Greg-E-core without breaking your instance.
Built for Greg-E-core gregecore-1.13.1-1.20.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use gregecore-1.13.1-1.20.1.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install GregTech CEu Modern first. We found matching files for this game-version and loader setup. 6 come through another mod in the chain.
- 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 gregecore-1.13.1-1.20.1.jar. It opens that exact file at the source.
About this project
What does Greg-E-core add?

GregE-core is a core mod developed for the GregE modpack. It introduces high-tier multiblock machinery, advanced materials, and unique energy production systems.
NO DEFAULT RECIPES ARE INCLUDED! All machines, items, and materials added by this mod are strictly content-only. You must configure your own recipes using KubeJS!
For the detailed description on how to add those recipes, visit the wiki on Github.
- For GTCEu Version:
7.5.2 - You are completely free to use this core mod in any of your own modpacks!
- A huge thank you to the GTCEu team on Discord for their active support and responsiveness.
- Most base textures are sourced from GTCEu, with custom modifications (like the general firebox/engine intakes).
- Special thanks to the StarT team for keeping their core mod open-source on GitHub; I spent many hours learning from their work.
- Big thanks to eyecats for the coil textures!
Check out their repositories:
Project description from CurseForge.
Pick your setup
Greg-E-core by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Greg-E-core versions and loaders
gregecore-1.13.1-1.20.1.jar
29 Aug 2026
gregecore-1.12.7-1.20.1.jar
11 Aug 2026
gregecore-1.12.6-1.20.1.jar
10 Aug 2026
gregecore-1.12.5-1.20.1.jar
20 Jul 2026
gregecore-1.12.4-1.20.1.jar
26 Jun 2026
gregecore-1.12.3-1.20.1.jar
25 Jun 2026
gregecore-1.12.2-1.20.1.jar
24 Jun 2026
gregecore-1.12.1-1.20.1.jar
18 Jun 2026
gregecore-1.11.8-1.20.1.jar
13 Jun 2026
gregecore-1.11.7-1.20.1.jar
13 Jun 2026
gregecore-1.11.6-1.20.1.jar
13 Jun 2026
gregecore-1.11.5-1.20.1.jar
8 Jun 2026
Looking for an older file? The official CurseForge project page is in Resources.