When you first think about it, beating Super Mario Bros. is already a challenge in itself. But beating the entire game in less than 12 minutes all the while being blindfolded is just completely bonkers. Apparently, Speedrunner Crescendo was able to beat Super Mario Bros. in just 11 minutes and 55 seconds. Now that's some real dedication.

Crescendo posted the world record run yesterday on his YouTube channel after attempting to beat the record for over 40 hours. The speedrunner beat the previous blindfold world record for a Super Mario Bros. completion, which was approximately 14 minutes and 46 seconds.

“I started planning this run on May 29 and started doing full-game attempts on June 19,” Crescendo wrote in his video's description. “I played in one-hour sessions once or twice per day. All told, it was 40 hours of attempts.”

Crescendo also mentioned that he's a musician. This talent actually came in handy when he went for the world record. Because, in some sections of the game, Crescendo had to accurately count in seconds to perform a perfect series of jumps when required to progress in the level.

He also used fireballs as a way to determine how far away certain things were and broke specific bricks to accurately determine his whereabouts on a level. Talk about creativity.

Crescendo says he'll be making a tutorial video to teach aspiring speedrunners how to break the world record for Super Mario Bros. Maybe he can also try to speedrun the upcoming Mario Golf Super Rush? Blindfolded golfing? Mama mia, count us in!