Bauprojekt Pre. Ver. 4 is a release file of the Minecraft map ChaosFestung by Chaosmax109©, made for Minecraft 1.21.1. It was published on August 11, 2025 and is 461.8 MB in size. For the full description, screenshots and every other version, visit the ChaosFestung by Chaosmax109© map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
