Chinese-ver demo0.3 is a release file of the Minecraft map Illagers & the Crimson Altar, made for Minecraft 1.20.1. It was published on August 26, 2025 and is 9.6 MB in size. For the full description, screenshots and every other version, visit the Illagers & the Crimson Altar map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.