Has an AFL game ever ended 82-12?
Yes. AFL has seen a final score of 82-12 2 times. It first happened on September 2, 1899, when Sydney beat St Kilda, and most recently on June 27, 1908, when Melbourne beat Richmond.
That makes 82-12 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 83-12 has happened never and 82-13 has happened never.