you must win by 2.
21 points
12 players are allowed on a volley ball field at one time during a game.
Typically a best of 3 or best of 5 series and the winner of each game is the first team to score 25 points and win by 2 or more.
Usually 25. It depends on what age and league! Sometimes tiebreaker games are shorter and you only play to basically 15
6 players are on the volleyball court, when playing an Original Game
3 sets in a volley ball game but you need 25 points to win a set
Three forwards and three backs compose a team.
8 players
4 reffs
3 per team
Three (at least in High School) One at the net and two line judges in opposite corners.
Well normal volley ball has 4 people on a team, so I'm guessing that it would also be 4 people on a beach volley ball team.