Has a FIBA World Cup game ever ended 68-64?
Exactly once. On November 25, 2017, Angola beat Egypt 68-64, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 68-64 in league history.
That makes 68-64 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 69-64 has happened 2 times and 68-65 has happened never.