As a form of interactive entertainment, video games are available on a wide range of media, from computers and game consoles to smartphones and even tablets. There are a multitude of game styles, from the simplest, such as arcade games, to the most complete, such as role-playing or open-world games. They can be played alone or in groups, with friends or online strangers, between two meetings, or for a whole afternoon. Today, video games are enjoyed by players of all ages and backgrounds, and have become a popular way to relax and even learn.