Board Thread:Game Discussion/@comment-27095714-20160310073425/@comment-26338036-20160323214825

Gold Crazed1115 wrote: Where'd the double-F come from?? The first F means From, the last 2 letters: Full Upgrade. FFU means From Full Upgrade. The acronym was used for some time in the table Strategy for 100% completion.

I think that he just meant here FU instead of FFU :-p