Has an AFL game ever ended 77-41?
Exactly once. On August 3, 1929, Melbourne beat Fitzroy 77-41, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 77-41 in league history.
That makes 77-41 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 78-41 has happened 4 times and 77-42 has happened 1 times.