ModpacksJava
One Heart Challenge
A hardcore survival modpack where you only have one heart. Every hit could be your last—survive and see how many days you can last.
⬇ Download on Modrinth
This is a hardcore survival modpack where you start with only one heart. Every mistake matters, every fight is dangerous, and every decision can mean the difference between life and death. Your goal is simple but brutal: survive for as many days as possible in a world where even the smallest threat can end your run. Plan carefully, avoid unnecessary risks, and push your limits to see how long you can last.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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 heart 1.0.0.mrpack
- Download size: 12 KB
- Download link checked 29 Aug 2026 — working
These come from our own check of the pack file, not from the source page.