Essentially, the game only checks if a player has completed a level every 21 frames instead of every frame.

Bros speedrunning basically revolves around the game’s unique way of checking for level completion–the Framerule System. But most importantly of all, it’s the only level in the game that does not fall under the infamous framerule system. In order to progress, the player must take the correct pipes in order to advance to the next room. To understand LeKukie’s specific achievement requires an analysis of both 8-4 itself, and the evolution of the level for speedrunners over the years.Ĩ-4 is the final level of the game, and just so happens to be a maze level. However, the journey would not be completed for another ten months, as 8-4 would continue to elude the SMB1 community. The story of the journey that led all the way up to speedrunners–players who try to complete video games or tasks in video games as fast as possible–tying the TAS for the entire game is intricate and compelling, but also one that has already been mostly (and expertly) documented by YouTuber, Summoning Salt in his video, Super Mario Bros: The Human Limit.

speedrunner Lekukie broke the last barrier between humans and the TAS (tool-assisted speedrun) by saving the last possible frame of time in the original Super Mario Bros (SMB1) on the final level of the game–8-4. On February 28th, 2022, Super Mario Bros.

Kosmic super mario bros world record