Many Facebook users information was used by Cambridge Analytica. This information was obtained through a app that was going around at the time: “My Digital Life”.
Remember: when you grant permissions to an app to scrape through your profile, you may be allowing much more than you intended. My advice? Just don’t. Find real games that aren’t connected to Facebook or anywhere else that has a great deal of information on you personally.
You can check if you are affected by this from the below link.