CurseForge · Minecraft mod
Gregicality Rocketry Extras
mod that adds additional tiers and rocket fuels to gregicality rocketry
Quick answer
Which Gregicality Rocketry Extras release should I use?
Gregicality Rocketry Extras gcyrextras-1.20.1-0.1.3.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 Gregicality Rocketry Extras 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 Gregicality Rocketry Extras gcyrextras-1.20.1-0.1.3.jar need?
gcyrextras-1.20.1-0.1.3.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 Gregicality Rocketry Extras without breaking your instance.
Built for Gregicality Rocketry Extras gcyrextras-1.20.1-0.1.3.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use gcyrextras-1.20.1-0.1.3.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 gcyrextras-1.20.1-0.1.3.jar. It opens that exact file at the source.
About this project
What does Gregicality Rocketry Extras add?
gcyr extras
gcyr-extras is an addon mod for gregicality rocketry. At present it does two things:
- adds 4 additional tiers of rocket & tank
- adds two multiblock "miners" for use in orbit dimensions
- registers rocket fuels from GT-- as usable in rockets if present
The additional tiers provide modpack authors with extra flexibility in gating custom planets/systems. No recipes are provided for the additional tiers.

Project description from CurseForge.
Pick your setup
Gregicality Rocketry Extras 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
Gregicality Rocketry Extras versions and loaders
gcyrextras-1.20.1-0.1.3.jar
20 May 2026
gcyrextras-1.20.1-0.1.1.jar
15 Mar 2026
gcyrextras-1.20.1-0.1.0.jar
4 Mar 2026
Looking for an older file? The official CurseForge project page is in Resources.