It is called Redbook Audio, because that is what the standard for audio cds is called. Technically, this would have to be called Orangebook because it mixes Red

It is called Redbook Audio, because that is what the standard for audio cds is called. Technically, this would have to be called Orangebook because it mixes Redbook and Yellowbook (the standard for data on cds). See https://en.m.wikipedia.org/wiki/Rainbow_Books https://en.m.wikipedia.org/wiki/Rainbow_Books A list of games can be found here: https://www.giantbomb.com/redbook-audio/3015-6487/games/ https://www.giantbomb.com/redbook-audio/3015-6487/games/