Has a College Football game ever ended 63-2?
Exactly once. On November 16, 1900, Iowa beat Grinnell 63-2, and no College Football game before or since has ended that way. When it happened it was a scorigami, the first 63-2 in league history.
That makes 63-2 the 1820th most common final score out of 2,216 that have ever occurred in College Football. One point away, 64-2 has happened 1 times and 63-3 has happened 11 times.