Has an AFL game ever ended 43-29?
Exactly once. On July 1, 1905, Geelong beat Sydney 43-29, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 43-29 in league history.
That makes 43-29 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 44-29 has happened never and 43-30 has happened 2 times.