After 41 Years, Super Mario Bros. Players Are Nearing a Perfect Playthrough

The Super Mario Bros. speedrunning community is standing on the precipice of history. A recent breakdown by Kosmic—a prominent speedrunner and former world record holder—reveals that players are now a mere tenth of a second away from executing the first-ever flawless playthrough of the iconic NES platformer.

This milestone centers around the latest world record, captured by Brazilian competitor LeKukie. His journey to the top is remarkable in its own right. Long hindered by outdated hardware, LeKukie caught the attention of the broader speedrunning community, which rallied together to supply him with professional-grade equipment. The upgrade transformed him into an elite contender overnight, culminating in a jaw-dropping run last June where he cleared Super Mario Bros. in a staggering 4 minutes, 54 seconds, and 365 milliseconds.

Those fractions of a second tell the real story. Decades of relentless optimization have turned Super Mario Bros. into an exact science. Modern records are rarely broken by whole seconds; instead, they are won or lost on single frames. Following recent community breakthroughs outlining a theoretical human limit, experts calculate that LeKukie’s record-setting pace missed absolute perfection by a razor-thin margin of just six frames—or 0.1 seconds.

Reaching this theoretical limit remains exceptionally difficult, even with a mapped-out blueprint for success. A flawless run demands a grueling sequence of pixel-perfect inputs, as Kosmic illustrates in his video. While top-tier runners can execute these maneuvers individually, stringing them together in a continuous, high-pressure session is immensely punishing. Most promising attempts ultimately unravel in the game’s punishing final stages, where intricate jumps demand absolute precision.

You need a master’s degree to understand this speedrun

So, what sets LeKukie apart? Much of his success boils down to an unorthodox controller grip. By holding his NES pad in a specialized, unconventional manner, he can alternate between left and backward directional inputs with blinding speed. This physical adaptation enables him to pull off advanced techniques with greater consistency than even keyboard users. At this elite tier of competition, something as subtle as grip technique can redefine the boundaries of what is possible.

According to Kosmic, achieving the ultimate Super Mario Bros. run is no longer a question of if, but when. It simply requires the right runner to maintain flawless composure from start to finish—an endeavor far easier discussed than performed. Whether the breakthrough arrives in a matter of days or years, the Mario speedrunning landscape demands close attention. Gaming history is waiting to be written.

Source: Polygon