In a normal volleyball game you have to score to 25 and be winning be at least 2 points.
You play to twenty five points.
the volleyball game is over at 21 points. However no team can win by only one point. This makes longer games take more points to win. You need to be two points ahead.
To win a match you have to win best of 5 games (in high school and above) and in a game you have to be the first team to score 25 points and you must win by at least 2 points.
each serve has one point as in table tennis........
the total points in volleyball is 15 points
you need 25 points to win in a volleyball game, but you have to win by 2 points