The History of Super Mario Bros Level 4-2
Speedrunning is the act of playing of a video game with the goal of completing it as fast as possible. Super Mario is a popular franchised in which speedrunners attempt to out-play each other, with the latest world record set just 22 days ago on May 25th 2018. This video describes in detail the history of Super Mario Bros Level 4-2, a notoriously difficult level to speedrun through apparently.