CurseForge · Minecraft mod
Hardcore Ultimate
Hardcore Ultimate — one life, no excuses.”
Quick answer
Which Hardcore Ultimate release should I use?
Hardcore Ultimate hardcoreultimate-1.0.0-neoforge-1.21.4.jar targets 1.21.4 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. 1 required mod needs a matching file.
Where it goes
Is Hardcore Ultimate 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 Hardcore Ultimate hardcoreultimate-1.0.0-neoforge-1.21.4.jar need?
hardcoreultimate-1.0.0-neoforge-1.21.4.jar. Change the file and its required mods may change too.
Install Essential Commands first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Hardcore Ultimate without breaking your instance.
Built for Hardcore Ultimate hardcoreultimate-1.0.0-neoforge-1.21.4.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use hardcoreultimate-1.0.0-neoforge-1.21.4.jar. It targets 1.21.4 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Essential Commands first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
- 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 hardcoreultimate-1.0.0-neoforge-1.21.4.jar. It opens that exact file at the source.
About this project
What does Hardcore Ultimate add?
Hardcore Ultimate
Step into the toughest survival challenge Minecraft has to offer. Hardcore Ultimate doesn’t just improve Hardcore mode—it makes it the only way to play. No backups, no second chances, just pure survival where every mistake could be your last.
Features:
Forces Hardcore mode in all worlds.
Locks difficulty to the ultimate survival setting.
Delivers a true do-or-die experience for dedicated players.
Project description from CurseForge.
Pick your setup
Hardcore Ultimate by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.4
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Hardcore Ultimate versions and loaders
hardcoreultimate-1.0.0-neoforge-1.21.4.jar
2 Oct 2025
Looking for an older file? The official CurseForge project page is in Resources.