(1.20.4) OSB - Extreme Mode is a release file of the Minecraft map One Suspicious Block, made for Minecraft 1.20.4. It was published on May 6, 2024 and is 7.6 MB in size. For the full description, screenshots and every other version, visit the One Suspicious Block map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
