Mario Bros Speedrunners Close in on a Flawless Run, Seconds from Perfection

Brazilian speedrunner LeKukie’s 4:54.365 Super Mario Bros. run leaves only about 100 milliseconds and six frames to shave across 8-4, with Kosmic suggesting a perfect run might be within days as the community’s hardware tweaks and new tricks push toward a flawless, frame-perfect performance across the game.