Has a College Football game ever ended 77-63?
Exactly once. On November 5, 2022, SMU beat Houston 77-63, and no College Football game before or since has ended that way. When it happened it was a scorigami, the first 77-63 in league history.
That makes 77-63 the 1820th most common final score out of 2,216 that have ever occurred in College Football. One point away, 78-63 has happened never and 77-64 has happened never.