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A '''video game''' is an electronic game, which is played on an electronic a device such as a computer or console. Video games started out being played almost exclusively on dedicated devices (consoles, handhelds, etc.) but due to the advancement in computer technology and the availability of personal computers, many games now run on these instead. Video games are generally designed to be addictive, as this helps to build and maintain a strong user base, and sell the product to those who may try it.

The Video games vary greatly in type and complexity, but all games are alike in that they translate player input (from a controller, mouse, keyboard or motion sensor) into onscreen actions. Games are often stored on some sort of digital media - ROM cartridge, [[CD]], [[DVD]], flash memory chip, or even cassette tape for early computer games. Older or more inexpensive less expensive games sometimes used dedicated chips which are were pre-programmed to play certain games only. In recent years, game developers have moved to digital distribution, allowing customers to purchase games game licenses online, and download over the internet. On PCs, this is often done through marketplaces such as Valve corporation's Steam service, or Electronic Arts' Origin service, while the Xbox 360 and PlayStation 3 have their own digital distribution services.

Video games in the course of their existence have grown from the simple arcade style games, and have become more detailed and separated from one another. Genres can now include [[first person shooters]], [[racing]], [[Simulation game|simulation]], [[role-playing]], [[sports]], [[action]], [[strategy]], massively multiplayer online (MMO), puzzle, Sport simulation, and many others. <ref>https://www.idtech.com/blog/different-types-of-video-game-genres</ref><ref>https://thoughtcatalog.com/jane-hurst/2015/02/12-types-of-computer-games-every-gamer-should-know-about/</ref> Even then, games can combine genres, such as ''Mass Effect'' (Role Playing and Third Person Shooting), or not fit nicely into any genre, like ''The Mystery of the Druids''. The most popular genres tend to be shooters, action, and roleplaying games. Some video games are based on movies, such as Star Wars.