Charles Bassey had 15 points for the Hilltoppers (4-0), Taveion Hollingsworth added 14 and Justice had 11. Williams shot 11 for 13 from the field.
David Simmons had 13 points for the Tigers, who played the game as an exhibition. Richie Mitchell added 11 points and Justin Tucker 10.
Campbellsville used a 19-6 run in the first half to lead by four but a 10-0 run for the Hilltoppers helped them go up 54-41 at halftime. The Tigers went almost 10 minutes, missing 15 shots in a row, in the second half.
