Text can expand
Associations with expansion
John Sparrow's Eye in the Making (2006) uses expanding word sets.
The Brain
Try Jason Nelson's Branching Tutorial. This provides a way to expand on an original text by clicking the + sign in front of the phrase to expand, and showing - when the phrase can no longer be expanded. You can try the sample and download the Flash. Jason Nelson also includes a commentary on these in English. You can work without the commentary, but Jason Nelson also includes a commentary on these in English. You can work without the commentary, but note that you either have to be familiar with Flash or work with someone who is.
Solitaire
Team sports
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