Muddle Java 1.13.2.zip is a release file of the Minecraft resource pack Muddle, made for Minecraft 1.13.2. It was published on February 12, 2019 and is 10.6 MB in size. For the full description, screenshots and every other version, visit the Muddle resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.