This really depends on what sort of game we are talking. There are Mass Multiplayer Online Games (MMOGs) and then there are games like Counter-Strike: Source. Games like Counter-Strike: Source also depends on the style of play. Anywhere between 12 and 18 is a good server size for a general server. Certain mods play with up to 64 slots. The more slots, the laggier your server will get during peak periods.
22 players are allowed on the field for a play, 11 on offense, 11 on defense.
11
10
11 ppl are allowed to play on the field, plus the other players on the sidelines.
During a typical play, there are only 22 players allowed on the field, 11 on each side.
In case the play is still going on.
6 players are only allowed.
2 at a time
For both American football and standard football (soccer) the standard amount of players allowed for each team on the field is 11. When players are limited in American football you will see 8 man football.
There is no one answer to this question. There are some youth leagues that play 8v8 while some that play 5v5. According to the laws, the most that are allowed are 11 players on the field per team.
A total of 22 players play at a time in a football match, 11 players in a team.
Four players