your download my not completed, so your file could be corrupt.
it has 93.754.223 bytes.
try: http://gnuwin32.sourceforge.net/packages/wget.htm
it is a unix tool which is ported to windows.
in a command-shell type:
wget http://download.playframework.org/releases/play-2.0.zip
7
solved Unable to open 2.0 zip archive [closed]