This game can be played by various number of players from 8 up to 14.
In this case there are two teams of six. One team is in possession and the other one is defending.
Teams change their roles periodically.
One or two goalkeepers are also involved into this SSG.
The size of the area should be between 4x4 and 8x8 meters according to the given age-group and the number of players.
Balls are placed 14-20 meters far from the goal as shown. 

Team in possession tries to combine with one touch against one defender.
The aim is to achieve the required number of passes without a mistake.
Defenders' goal is to touch the ball before the possessors reach the required number of passes or force the players to touch the ball twice or pass it out of the playing area.
When the defender touches the ball or forces a mistake of the attackers before the required number of passes, he can sprint and shoot on goal. If the team in possession makes the required number of passes, the defender sprints and swaps with the next-coming team mate. In this case the defender cannot shoot on goal.  
More scoring team wins.