Codex Gamicus

Gran Trak 10 was a single-player racing arcade game released by Atari in 1974. The player raced against the clock, accumulating as many points as possible.

It was the first use of ROM in arcade games, and was therefore the first game to have defined characters beyond a simple box (as with Pong) or a collection of dots (as with Computer Space). The primitive diode-based ROM was used to store the sprites for car, the score and game timer, and the race track. The game's controls — steering wheel, four-position gear shifter, and accelerator and brake foot pedals — were also all firsts for arcade games.


The game spawned a variety of spin-offs, both within Atari and by their competitors.


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