I made a new map called Zombie Land
I think everything is correct on the map.
Play on Easy,Normal,Hard. Dont play on Peacful.
Once you have downloaded it, read Readme for rules and more.
2.Open the the WinRar Folder and drag the Map out into the desktop.
3.Go to start and run Run
4.Write in %appdata% . Double click on .Minecraft
5.Go into the folder 'saves'.
6.Drag the map into the folder 'saves'
7.Close the folders and then run minecraft!