Did you have your location services turned on around other people who likely did google that kind of thing? Or connect to the wifi in that house that almost certainly put in a search or 2 for that game? Or people who were there that Google knows you interact with? Did they Google it? Or was it just a very popular thing that was huge in the zeitgeist that day for everyone? We are tracked in so many ways that don’t require them having to store and analyze literally every conversation that everyone has (Both sides of the convo as well!)