1975:
Video game consoles
Atari and Tele-Games (a division of Sears, Roebuck and Company) release the first official home version of Pong through Sears department stores.
Magnavox releases two new models of their Odyssey console: the Odyssey 100 and the Odyssey 200.
Games
Shark Jaws
Gun Fight
Dungeon(an early role-playing video game, for the PDP-10.)
Adventure (also known as Colossal Cave and ADVENT), the first interactive fiction game, for the PDP-10.