I have long said that the UX world stands to learn alot about user behavior from video games. As an avid gamer, I found this article really helpful in outlining the current differences between the two.

Designing and developing video games is a challenging and demanding process. Developers must create a game that is enjoyable and rewarding to a diverse audience of players to ensure the product garners financial success. Thus, understanding how different players interact and behave during gameplay is of vital importance. An accurate understanding of target players and their gameplay experience can help to identify and resolve potential problem areas during development, leading to a better player experience and arguably greater game review scores and sales.