V1.5 Release Beta 1 is a beta file of the Minecraft map Custom World project, made for Minecraft 1.20.1. It was published on December 4, 2025 and is 461.7 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 Custom World project map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
