TNT.zip is a release file of the Minecraft map TNT SPLEEF, made for Minecraft 1.7.4. It was published on February 21, 2014 and is 0.4 MB in size. For the full description, screenshots and every other version, visit the TNT SPLEEF map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
