No single person invented video games. The answer depends on what you mean by “video game.” Alexander S. Douglas’s OXO (1952) is an early computer game displayed on a cathode-ray tube. William Higinbotham and David Potter’s Tennis for Two (1958) was an interactive game built for public entertainment. Spacewar! (1962) is an influential computer game that spread through technical communities. Ralph Baer and his colleagues’ television-based system, commercialized as the Magnavox Odyssey in 1972, is usually credited as the first home video game system. Each claim is defensible, but each uses a different criterion.
Why the question has no single answer
“First” only means something once the category is fixed. A reader who asks who invented video games may mean the first game run on a computer screen, the first game built for the public, the first game that circulated widely among programmers, or the first game a family could play on a home television. Those four categories point to four different milestones, and none of them is wrong on its own terms.
Three questions separate the candidates. What was the display and technology? What was the intended setting, whether an academic experiment, a public exhibition, or home use? How far did the game reach? The table below applies those three questions to the milestones most often cited.
The main milestones compared
| Milestone | Year | Creators | Technology and display | Intended setting | Reach |
|---|---|---|---|---|---|
| OXO | 1952 | Alexander S. Douglas | Tic-tac-toe on the EDSAC computer at Cambridge; board shown on a cathode-ray tube; moves entered with a rotary telephone dial | Academic work | Few people outside Cambridge played it |
| Tennis for Two | 1958 | William Higinbotham with David Potter | Donner analog computer connected to an oscilloscope | Public exhibition at Brookhaven National Laboratory’s Visitor’s Day | Demonstration for visitors; not a product |
| Spacewar! | 1962 | Steve Russell, Martin Graetz, Wayne Wiitanen; star-field program by Peter Samson | PDP-1 computer at MIT | Research and programming culture | Spread through DECUS, the Digital Equipment Corporation user group, into university and technical computing circles |
| Brown Box / Magnavox Odyssey | Prototype work from 1966; Odyssey released 1972 | Ralph Baer with Bill Harrison and Bill Rusch; licensed through Sanders Associates to Magnavox | Multiplayer, multiprogram system plugged into a standard television | Home entertainment | Commercial home console; the first of its kind |
OXO (1952): the early computer game
OXO was designed by Alexander S. Douglas as part of his academic work and ran on EDSAC, the computer at Cambridge University. The Computer History Museum lists it as a tic-tac-toe game. Players entered moves with a rotary telephone dial, and the computer drew the board on a cathode-ray tube. Few people outside Cambridge ever played it, so its influence was limited. It is the strongest candidate if the test is an interactive game driven by a computer and shown on a CRT screen.
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Tennis for Two (1958): the public exhibition game
William Higinbotham conceived Tennis for Two to entertain visitors at Brookhaven National Laboratory’s annual Visitor’s Day. Working with David Potter, he connected a Donner analog computer to an oscilloscope, so two players could hit a ball back and forth in a tennis-like game. Brookhaven’s own account presents it as an exhibit that drew crowds, not a commercial product. Higinbotham’s aim was public amusement, which is why many writers treat it as the answer to “who first made a game for the public.”
Spacewar! (1962): the game that spread among programmers
Steve Russell, Martin Graetz, and Wayne Wiitanen created Spacewar! at MIT for the PDP-1. It is a two-ship space battle. Peter Samson contributed a star-field program that made the game’s sky more accurate. The game later spread through DECUS, the Digital Equipment Corporation user group, which carried it into university and technical computing environments. Its importance lies in that circulation and in its influence on later game designers, not in being a home console.
Rank #2
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The Brown Box and the Magnavox Odyssey (1966–1972)
Ralph Baer began experimenting with television games at Sanders Associates in 1966. The National Inventors Hall of Fame records a 1966 prototype demonstration, a patent filing in 1968, and a license in 1971. Baer worked with Bill Harrison and Bill Rusch to build the Brown Box, a prototype that let several players play several games on an ordinary television. Sanders licensed the technology to Magnavox, and the Odyssey debuted in 1972 as the first home video game console.
Credit should go to Baer and his collaborators, not to Baer alone. The Odyssey is the milestone most often named when the question is about the first home system, because it was the first commercial product to put a game on a television set in the home.
Rank #3
Did Ralph Baer invent video games?
Baer is the most defensible single name for the home console and for the multiplayer, multiprogram design that defined it. He is not the inventor of every early game, and the earlier computer and exhibition games above were built by other people. The National Inventors Hall of Fame quotes Baer on the intent behind the television work:
“We never tried to make any one-player games,” Baer explained. “The intent was family entertainment. It was always assumed there would be multiple players.”
Rank #4
That intent explains why the Brown Box is treated as a turning point. Earlier games were built for labs, exhibitions, or programmers. Baer’s team designed for a living room audience.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which answer to use
If you are writing or citing a history, state the definition first. “The first computer game” points to OXO. “The first game for public play” points to Tennis for Two. “The most influential early computer game” points to Spacewar!. “The first home video game system” points to the Brown Box and the Magnavox Odyssey. Stating the category keeps the answer accurate and stops the question from becoming a debate over a word.
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The dates in this article come from the Computer History Museum, Brookhaven National Laboratory, the Smithsonian, and the National Inventors Hall of Fame. They describe the events, not market size or sales figures, which these sources do not measure for this period.
This article is a general history. It explains where each claim comes from so you can match the answer to the definition you need.
Sources: Computer History Museum timeline of early games; Brookhaven National Laboratory account of Tennis for Two; National Inventors Hall of Fame profile of Ralph Baer; Smithsonian materials on Baer and early game development.
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