Has a FIBA World Cup game ever ended 82-68?
Exactly once. On February 23, 2018, Ukraine beat Latvia 82-68, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 82-68 in league history.
That makes 82-68 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 83-68 has happened 1 times and 82-69 has happened 3 times.