1. a Player Does Not Hit the Ball Before It Bounces Twice

Four Square
In the standard game, there are four squares painted on the ground, all touching each other, making one, larger square. Each small square is roughly 8' x 8'. The ball used is a playground ball. Each player occupies one of the squares. The squares each have a rank order. The square with the highest rank the A square, followed by square B, square C and lastly square D.
The start the game, the kid in square A serves the ball by bouncing it in the square once and then hitting it towards one of the other squares. The receiving player then hits the ball to any other player, and play continues until one of the following things occur:

1.  A player does not hit the ball before it bounces twice

2.  A player hits the ball out of bounds (it must land in someone's square first)

3.  A player is hit BY the ball before it bounces once in their square.

Once a player is 'out', they move back to the lowest ranking square. The other players then move up to fill the vacancies. If there are more players than squares, that person goes to the back of the line, and the person at the front of the line gets to move onto the lowest square and play.

Doubles Four Square
This is the same game of Four Square but with two players (partners) at each square with one in the square and the other waiting outside the square. As soon as the partner inside the square hits the ball, he quickly gets out and his partner (who is waiting outside the square) steps into the square prepared to hit the next ball. Partners continue this switching off throughout the game. Regular Four Square rules are used so if one partner commits a fault both partners go to the end of the waiting line. This a great variation of Four Square for those times when the number of courts is limited.