Game EXCHANGER (One of the most popular)  Rules: players stand in a circle at designated points (such as stones). One player stands in the middle and has no stone. His goal is to get to one of the stones by coming up with a rule according to which some players must be replaced. For example, he may say, "Those who have a dog at home will be exchanged." The players affected by the rule quickly move to another stone. One always stays in the middle and invents another reason to exchange. Some come up with really interesting rules. For example, "Those who have ever stolen something will be exchanged." Or "Those who are looking at me now will be exchanged." There is always a lot of fun in this game.