To stop getting game and app invitations:
  1. click "Settings" under your main profile picture;
  2. go to the "Privacy settings" section;
  3. select the option that works for you in the "Invite me to games" line;
  4. click "Save" to confirm.
Note that if your profile is closed, it will be re-opened after the new privacy settings have been saved. Sign up for the service again to close your profile.
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