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is an electronic game that involves human interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor. The word video in video game traditionally referred to a raster display device,[1] but it now implies any type of display device that can produce two- or three-dimensional images. The electronic systems used to play video games are known as platforms; examples of these are personal computers and video game consoles. These platforms range from large mainframe computers to small handheld computing devices. Specialized video games such as arcade games, while common in the 1980s, have gradually declined in use due to the widespread availability of home video game devices (e.g., XBOX One and PlayStation 4) and video games on desktop and laptop computers and smartphones.

The input device

The input device used for games, the game controller, varies across platforms. Common controllers include gamepads, mouses, keyboards, joysticks, the touchscreens of mobile devices and buttons. In addition to video and (in most cases) audio feedback, some games include haptic, vibration or force feedback peripherals. Video games have become an art form and an industry. The video game industry is of increasing commercial importance, with growth driven particularly by the emerging Asian markets and mobile games. As of 2015, video games generated sales of USD 74 billion annually worldwide, and were the third-largest segment in the U.S. entertainment market, behind broadcast and cable TV.

Early games

used interactive electronic devices with various display formats. The earliest example is from 1947—a "Cathode ray tube Amusement Device" was filed for a patent on 25 January 1947, by Thomas T. Goldsmith Jr. and Estle Ray Mann, and issued on 14 December 1948, as U.S. Patent 2455992.[2] The Nimrod computer at the 1951 Festival of Britain OXO a tic-tac-toe Computer game by Alexander S. Douglas for the EDSAC in 1952 Tennis for Two, an electronic interactive game engineered by William Higinbotham in 1958 Spacewar!, written by MIT students Martin Graetz, Steve Russell, and Wayne Wiitanen's on a DEC PDP-1 computer in 1961. Pong, a 1972 game by Atari. Each game used different means of display: NIMROD used a panel of lights to play the game of Nim,[4] OXO used a graphical display to play tic-tac-toe[5] Tennis for Two used an oscilloscope to display a side view of a tennis court,[3] and Spacewar! used the DEC PDP-1's vector display to have two spaceships battle each other.[6]

Nolan Bushnell at the Game Developers Conference in 2011

In 1971, Computer Space, created by Nolan Bushnell and Ted Dabney, was the first commercially sold, coin-operated video game. It used a black-and-white television for its display, and the computer system was made of 74 series TTL chips.[7] The game was featured in the 1973 science fiction film Soylent Green. Computer Space was followed in 1972 by the Magnavox Odyssey, the first home console. Modeled after a late 1960s prototype console developed by Ralph H. Baer called the "Brown Box", it also used a standard television.[3][8] These were followed by two versions of Atari's Pong; an arcade version in 1972 and a home version in 1975 that dramatically increased video game popularity.[9] The commercial success of Pong led numerous other companies to develop Pong clones and their own systems, spawning the video game industry.[10]