This is an AppEngine app for learning basic crytography through analysing and decrypting a series of texts. It's designed as a game targeted at high school students.
The live game will be available at learn-cryptography.appspot.com when ready enough for public use.
To set up your own development version follow instructions at: https://developers.google.com/appengine/downloads to install the Google App Engine SDK for Python.
You will need Python 2.7 and the Jinja2 template engine http://jinja.pocoo.org