Crimson Curse 1.21.1 V1.4.2.1 is a beta file of the Minecraft mod Crimson Curse: Infection for Fabric, NeoForge, Quilt, made for Minecraft 1.21, 1.21.1. It was published on March 14, 2026 and is 10.8 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Crimson Curse: Infection mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.