Click here to play. This is an interactive fiction, mostly in HTML and CSS, made with Twine (ctrl+click to open in a new tab).
It is inspired by dialogue with Nicole, the leader of a cult of librarians, in the first Fallout game.
Twine helped to plan the paths through the dialogue tree:
A screenshot from the original game:
In the past I tried to plan the dialogue tree in a mind mapping tool with screenshots: