help with prismcube ruby gigants

hi friends im a bit confused today ,i downloaded the latest version from the download section .JwAvtc.tar is what the downloaded file states when i open it there are 2 files usr /home.ok ZYGA in his how to at the end of his post gives instructions for blackhole to send the tar gz to tmp .this is where i am confused where is the tar gz file as i said i can only see usr/home files i am probably having a senior moment and would appreciate any help thanks in advance