n Degrees of Philosophy.
Wikipedia trivia: if you take any article, click on the first link in the article text not in parentheses or italics, and then repeat, you will eventually end up at “Philosophy”
— from xkcd
We’ve been testing it in work, and so far it’s played out just as described. Starting at everything from ‘Chicken’ to ‘Star Wars’, with enough clicks you will end up on Philosophy (often via Mathematics). You can mix your degrees of separation games by starting on Kevin Bacon