https://www.theguardian.com/culture/2021/sep/29/play-it-faster-play-it-weirder-how-speedrunning-pushes-video-games-beyond-their-limits

For a niche but passionate corner of the internet, video games are not simply things to play, but structures to be torn down and rebuilt – together

In the summer of 2017, the gamer Beck Abney sat in his room playing Mario Kart 64. What happened next has been described as one of the greatest achievements in gaming history. Many doubted it could even be done at all.