There are 12 srtikes in a perfect game.
4 balls and take your base you've been walked.
You can walk after four pitches.
Three strikes equal one out in a regular softball game.
There can be 2 or 3 umpires for each softball game. One umpire stands behind home plate and calls balls and strikes as well as other plays on the field. The other two are the first base umpire and the third base umpire.
In an at bat a batter as to get 4 balls before they walk. A walk meaning they get to be on first base. In a at bat where there are no foul balls they batter gets three strikes before they are out. If there are foul balls they count as pitches, but a batter can not strike out on a foul ball that is not caught.
There are 9 people on the field in a game of softball + reserves.