There are 12 lessons, each with corresponding games.
Many options make it possible to replay each lesson differently from a previous session.
This created problems, as it wouldn't automatically create its own folder, but installed the components all over the place. Because of this, it wouldn't recognize my CD-ROM, either. After a quick call to technical support, this problem was easily resolved. When installing, if you choose a different directory, make sure you create a folder to install it to. The program ran fine, and the manual is very helpful and descriptive.