A video or computer games are an electronic games that involve interaction with a user interface to generate visual feedback on a video device. There is a program code behind any computer games. This code is installed either locally on computer, game console, mobile telephone device or on servers on Internet and provide on-line possibility to play with computer solely or with other player through digital networks. 

Here you can acknowledge yourself with different genres of computer games. I would like to say that computer games are spearing with enormous speed and social networks just slow down their popularity attracting users through useless chat and good for nothing communications. 
Computer games are very important social phenomenon which could bring good as well a desister. Anderson, a professor of psychology, said his review proves conclusively that exposure to violent video games makes for more aggressive, less caring kids regardless of age.
In the study, violent video games were defined as those in which characters kills or harms other characters as part of advancing in the game. So, its would be wise to play "clever" games which supports developing of memory, thinking, knowledge etc. And restrict everyday timing devoting to computer games. Specifically, this advice applies to parents who have kinds at home.