I remain fascinated by Thousand Year Old Vampire, a single-player role-playing game in which you play the vampire of the title, roughly from awakening to extinction, by responding in writing to a number of (otherwise beautifully laid out) narrative prompts. The Magical Year of a Teenage Witch works on exactly the same principle, swapping the gloomy vampire for the lively young witch who fills her notebook with spells inspired by an unusual year. There are a lot of nice ideas in there, and the two games, while using the same skeleton, end up being quite distinct, letting me see a whole family of possible hacks of the same kind...