A hardcore One Block modpack is a challenging survival experience where players start on a single block that regenerates endlessly. With permadeath enabled, every mistake matters as you progress through phases, unlock new resources, and face increasingly dangerous mobs and bosses. Skill, strategy, and patience are essential to survive and thrive.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Downloads as One Block Hardcore 1.0.0.mrpack
- Download size: 9 KB
- Download link checked 29 Aug 2026 — working
These come from our own check of the pack file, not from the source page.