These games are palyed in a open area usually with defined boundaries.
Some games require much larger areas of space than others.
Tag games involve touching another player who is trying to avoid being touched. Free form games are ones where the players move about freely or within defined limits without a particular organizational structure. The simple game of Tag has numerous variations. When you are tagged, you cout to three before chasing. One person is blob, any one tagged by the Blob must join hands and become part of it.