The perfect Super Mario Bros. speedrun is just four frames away

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The big picture: Speedrunners have been chipping away at Super Mario Bros. for decades, systematically lowering the time it takes to complete the classic 1985 side-scrolling platformer. A combination of frame-perfect maneuvers and strategies once thought to be impossible for humans to pull off has lowered the world record to 4:54.332 – or just .067 seconds off the theoretical fastest possible run. The end, it would seem, is imminent.

Two of the world's best Mario speedrunners – LeKukie and Niftski – are publicly battling to be the first to achieve the perfect game. The competitors have been livestreaming their attempts and during a session on August 14, Niftski set a new world record with a time of 4:54.332. Just four frames now stand between humans and the perfect game of Super Mario Bros.

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