Has a College Football game ever ended 82-13?
Exactly once. On September 23, 1922, Georgia beat Newberry 82-13, and no College Football game before or since has ended that way. When it happened it was a scorigami, the first 82-13 in league history.
That makes 82-13 the 1819th most common final score out of 2,215 that have ever occurred in College Football. One point away, 83-13 has happened never and 82-14 has happened never.