Finally, playing games trains us in teamwork. Nowadays, you often meet the phrase “an ability to work as part of a team” in advertised job offers. Sure, it is an important requirement, because now in big companies work processes are built on the collaboration of a great number of people. For example, my brother is working in an IT company. At the start of one project, it was hard for his team to work together in an organized way. When they started to play basketball on weekends, all difficulties disappeared.