Has an AFL game ever ended 68-63?
Yes. AFL has seen a final score of 68-63 3 times. It first happened on June 20, 1925, when St Kilda beat North Melbourne, and most recently on May 4, 1963, when Essendon beat Melbourne.
That makes 68-63 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 69-63 has happened 3 times and 68-64 has happened 2 times. At one point the score disappeared for 36 years, between 1925 and 1961.