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Mattel Auto Race was on the shelves by 1977, and is often forgotten because of the much more successful Mattel Football that was released shortly after it. Because it is not well known, many people believe that Mattel Football was the first handheld, when Auto Race came out at least a year before. The game itself used about 512 bytes in memory—"half a kilobyte, or 1/2048 of a megabyte". Because of how early it came out, many clones of this game exist.
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