1HP Challenge 0.1 (MC 1.20.5-1.21.1) is a release file of the Minecraft data pack OneHP Challenge, made for Minecraft 1.21, 1.20.5, 1.20.6, 1.21.1. It was published on August 19, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the OneHP Challenge data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.
