Survival_Challenge.zip is a release file of the Minecraft map Survival Challenge by Elsuper, made for Minecraft 1.5.2. It was published on May 4, 2013 and is 1.5 MB in size. For the full description, screenshots and every other version, visit the Survival Challenge by Elsuper map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.