Influenced by Alan Turing and Claude Shannon, Prinz implemented a chess program on the Ferranti Mark I, the first commercial computer, though it was not tested until 1952.

Alexander Shafto Douglas develops Noughts and Crosses (OXO), a computer version of tic-tac-toe for the EDSAC at Cambridge. It used digital graphics but had no moving video and was not commercially distributed.

William Higinbotham creates Tennis for Two, simulating an interactive tennis court on an oscilloscope to entertain and spark curiosity among laboratory visitors.

Steve Russell and MIT students develop Spacewar!, featuring two ships battling near a star's gravity. It required expensive hardware and was not commercial, but became widely installed in American universities.

Introduction of domestic consoles like the Magnavox Odyssey and Atari. The Odyssey was innovative but faced marketing issues, while Atari’s simpler, more affordable design and better marketing led to greater success.

Arcade machines and home consoles evolve together. Games like Space Invaders, Space Race, and Asteroids become hits. The Atari 2600 and Magnavox Odyssey compete; the number of companies and games surges, but the industry faces crises due to market oversaturation and price wars.

Nearly 100 new games are released, including Pac-Man, Defender, Crazy Climber, Rally X, and Missile Command, introducing new genres and gameplay styles.

Nintendo, originally a card game company, enters electronic gaming. Donkey Kong (1981) and Mario Bros. become major successes, boosting Nintendo’s sales. The NES console and games like The Legend of Zelda solidify Nintendo’s influence.

NEC launches the PC Engine (Turbografx in Europe), a 16-bit console surpassing 8-bit rivals NES and Master System in technical power, capturing significant market share.

Sega releases the Mega Drive (Genesis) in 1989, offering 16-bit power at a lower cost than PCs. In 1991, Sega launches Sonic the Hedgehog, which becomes a massive hit and challenges Nintendo’s dominance. Market preferences begin to split between Japan and the West.

The 1990s see rapid technical evolution and fierce competition among Sega, Nintendo, and Sony. Nintendo releases the Super Nintendo with advanced graphics and memory, while Sega launches peripherals like the Mega-CD. Sony prepares to enter the market.

Sony, after a failed partnership with Nintendo, releases the PlayStation, a 32-bit console using CDs instead of cartridges, marking a significant technological leap.

Sega releases the Dreamcast in 1998, featuring online capabilities. Microsoft enters the market with the Xbox in 2002, offering superior technical specs and games like Halo, but faces launch challenges. Nintendo releases the GameCube in 2001, moving away from cartridges but struggling to capture attention.

Advances in home consoles diminish the technological gap with arcade machines, leading to the closure of most arcades.

Microsoft launches the Xbox 360 (2005) with advanced online services and customizable interfaces. Nintendo’s Wii (2006) introduces motion controls and achieves massive sales, while Sony’s PlayStation 3 (2006) offers high specs but faces market challenges due to price and technical issues.