TMoF 1.20.1 -_- Nightmare Update (Beta 1.3) is a beta file of the Minecraft mod project-565042 for Forge, made for Minecraft 1.20.1. It was published on January 8, 2025 and is 36.9 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 project-565042 mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.