Metroid completed as fast as possible without holding back, and without concern for the game's sanity.
The8bitbeast improves the previous publication by 21.94 seconds, thanks to better optimisation and new tricks. Please read the author's comments for more details.
The run uses a game restart sequence (Up+A on the second controller) to save time in backtracking.
See Metroid Tricks for more information about the door glitch as well as other tips and tricks.
Watch this run being played back on a real console.