CHALLENGE ROOM v1.7 is a release file of the Minecraft map CHALLENGE ROOM, made for Minecraft 1.21.8. It was published on September 16, 2025 and is 2.2 MB in size. For the full description, screenshots and every other version, visit the CHALLENGE ROOM map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.