1940's: Thousands play NIM at the world's Fair. Computer usually wins.
1950's:Alex Bernstein writes the first complete computer chess program on an IBM-704 computer—a program advanced enough to evaluate four half-moves ahead. (1957)
1960's: Computer programmer John Burgeson stays home sick from work at IBM and begins developing a computer baseball simulation. A month later (in January 1961), aided by his brother Paul, John runs this first-known baseball computer program on an IBM 1620 computer.
1970's: Minnesota college students Don Rawitsch, Bill Heinemann, and Paul Dillenberger create Oregon Trail, a simulation of pioneers’ westward trek. Originally played on a single teletype machine, Rawitsch later brought the game to the Minnesota Educational Computer Consortium (MECC) which distributed it nationally.(1971)
1980's: 1981
Video game fans go ape over Nintendo’s Donkey Kong, featuring a character that would become world-famous: Jumpman. Never heard of him? That’s because he’s better known as Mario—the name he took when his creator, Shigeru Miyamoto, makes him the star of a later game by Nintendo. (1981)
1990's: Sega needs an iconic hero for its Genesis (known as Mega Drive in Japan) system and finds it in Sonic the Hedgehog. Gamers, especially in the United States, snap up Sega systems and love the little blue guy’s blazing speed and edgy attitude. (1991)
2000's: Valve energizes PC gaming with its release of Steam. The digital distribution platform allows players to download, play, and update games.(2003)
2010's: Gone Home, The Last of Us, and Papers, Please usher in a new wave of mature video game stories that confront players with tough emotional choices in ethically-complex worlds.(2013)
2020's: Movies and television shows based on hit game franchises The Last of Us and Super Mario Bros. charm critics and draw viewers. The Super Mario Bros. Movie earns more than $1.3 billion, making it the year’s second highest grossing film.(2023)