Has a FIBA World Cup game ever ended 85-56?
Exactly once. On February 24, 2023, Cameroon beat DR Congo 85-56, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 85-56 in league history.
That makes 85-56 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 86-56 has happened never and 85-57 has happened never.