Sky Jump Challenge [v1.1].zip is a release file of the Minecraft map Sky Jump Challenge, made for Minecraft 1.8. It was published on September 16, 2014 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the Sky Jump Challenge map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.