The arena.zip is a release file of the Minecraft map The arena, made for Minecraft 1.8-Snapshot. It was published on August 5, 2014 and is 4.7 MB in size. For the full description, screenshots and every other version, visit the The arena map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
