Michael Strauss: In theory, the purpose of a video game is to provide entertainment. A video game that is not fun to play is not really living up to its purpose. In general, this is not a problem. The vast majority of video games are fun, at least for the genre specific audience. Video games that aren't fun generally receive poor reviews and fail to sell well. But, some games, while being enjoyable, include features that are incredibly frustrating and often curtail the enjoyment of the game. Ironically, some of these features are so common that they are practically expected to exist in certain types of video games. Presented below are the ten most frustrating features that commonly appear in video games and the games that most represent that feature.