Has an NBA game ever ended 85-79?
Yes. NBA has seen a final score of 85-79 25 times. It first happened on February 15, 1948, when Providence Steamrollers beat Chicago Stags, and most recently on January 26, 2014, when Brooklyn Nets beat Boston Celtics.
That makes 85-79 the 861st most common final score out of 3,189 that have ever occurred in NBA. One point away, 86-79 has happened 28 times and 85-80 has happened 20 times. At one point the score disappeared for 28 years, between 1954 and 1982.