I was just browsing Threerings Design website one day and stumbled upon a prototype facebook game with a Puzzle Pirates theme but completely separate of Puzzle Pirates.
Puzzle Pirates Treasure -
http://apps.facebook.com/pptreasure/At the moment it includes mini-games of Foraging and Rigging puzzles.
I was having java error loading the Forage and Rigging puzzles at one stage and was confused to why it was still working for other people that I knew playing. This was happening on different occasions until I finally fixed the problem by opening the Java Control Panel and clearing the Temporary Internet Files.