1 Button.zip is a release file of the Minecraft map One Button, made for Minecraft 1.15.2. It was published on June 11, 2020 and is 3.2 MB in size. For the full description, screenshots and every other version, visit the One Button map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
