In a normal volleyball game you have to score to 25 and be winning be at least 2 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.
In a game there is a minimum of 50 points, and a maximum of 65 points. You can play up to 3 sets, with a minimum of 2. The first 2 being worth 25 each, and the tiebraker (or 3rd set) worth 15 points. In college and other leagues there are 5 sets. The fist 4 are to 25 points and then if needed the 5th set goes to 15.
you need 25 points to win in a volleyball game, but you have to win by 2 points
The game of volleyball goes up to 15 points.
When they get to 25, but you have to win by at least 2 points. You don't win a game if the score is 24-25, for example.