Has a FIBA World Cup game ever ended 88-77?
It has. 88-77 has been a FIBA World Cup final 3 times in 2,041 games. The first was Mexico beat Uruguay on February 22, 2019; the latest was United States beat Uruguay on February 23, 2023.
That makes 88-77 the 96th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 89-77 has happened 2 times and 88-78 has happened 3 times. Nearly all of its occurrences fall between 2010 and 2039.