6400x6400 multibiome world beta 0.1.zip is a beta file of the Minecraft map the multibiome world, made for Minecraft 1.17, 1.16.4. It was published on December 3, 2020 and is 647.1 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 the multibiome world map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.