Exploring the Uncharted Island – fairly finished, even though I'm not that into it
The Final Chapter – about dissertations. Kind of silly. Or could be about waking up and finding out you've forgotten to attend a college course for the entire semester.
Some comedy
CYOA that is based on a specific story (E.g., Hansel and Gretel)
CYOA that deals with a normal life issue. Getting a bad medical diagnosis.
Some light romance, boy meets girl thing
Time Travel
Murder Mystery (maybe at the end you have to pick the murderer)
Living out a day in an animal's life. E.g., a day as a beaver
You discover you are actually an AI living in a simulated reality