Concepts inNot doing but thinking: the role of challenge in the gaming experience

Gamer

Historically, the term "gamer" usually referred to someone who played role-playing games and wargames. Since they became very popular, the term has included players of video games. While the term nominally includes those who do not necessarily consider themselves to be gamers, it is commonly used to identify those who spend much of their leisure time playing or learning about games. There are many gamer communities around the world.  more from Wikipedia

Video game culture

Video game culture is a form of new media culture that has been influenced by video games. As computer and video games have increased exponentially in popularity over time, they have caused a significant influence upon popular culture. This form of entertainment has spawned many fads. Video game culture has evolved in time, particularly in connection with internet culture. Today, the impact of computer and video games can be seen in politics, television, popular music, and Hollywood.  more from Wikipedia

Game

A game is structured playing, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements.  more from Wikipedia

Video game

A video game is an electronic game that involves human interaction with a user interface to generate visual feedback on a video device. The word video in video game traditionally referred to a raster display device, but following popularization of the term "video game", it now implies any type of display device. The electronic systems used to play video games are known as platforms; examples of these are personal computers and video game consoles.  more from Wikipedia