I heard that the reason why music identifiers don’t work offline is because their databases are huge, with millions of songs (including video game music). Databases containing only video game music may be significantly smaller, even if they contain the soundtracks of over 1000 games.
True
Although those databases really have basically everything
Once I was sitting in a train and pixel randomly detected the high pitched wirring of the accelerating train as a random Himalayan pan flute song with a 3 digit playback count on Spotify