Bletchley Park in this context is an online puzzle spread across cooperating WordPress blogs.
The object of the game is to get to the end.
There are several ways to get there and many ways to fail.
There are quite a few types of riddles, logic problems and ciphers used.
There is no guarantee of fame and fortune, only entertainment.
It is the creators’ sincerest that hope you have a good time.
It will be under ongoing development until 06/12/2012.
Thank you and good luck.