Has an Olympic Basketball (Men) game ever ended 70-64?
Exactly once. On July 25, 1980, Sweden beat Senegal 70-64, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 70-64 in league history.
That makes 70-64 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 71-64 has happened 1 times and 70-65 has happened 1 times.