The first generation of video game consoles began in 1972 with the Magnavox Odyssey (which began development in 1968 by Ralph Baer under the code name "The Brown Box"), until 1977, when "pong"-style console manufacturers left the market en masse due to the video game crash of 1977 and when microprocessor-based consoles were introduced.Some defining characteristics of first generation consoles include: Discrete transistor-based digital game logic. Entire game playfield occupies only one screen.