Undergarden-Tetra Patch 1.2.0 BETA (REQUIRES DATAPACK) is a beta file of the Minecraft mod Undergarden/Tetra Patch for Forge, made for Minecraft 1.16.4. It was published on February 4, 2021 and is 0 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 Undergarden/Tetra Patch mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.