Super Mario Bros. is one of the best known Nintendo titles that was originally released on the NES. Released in 1985, it follows the story of Mario, who needs to rescue Princess Peach from the clutches of Bowser. It takes place across 8 worlds of increasingly difficult gameplay, each containing 4 levels.
OmerAras55 and Brandon collaborate to improve on the previous minimum presses run, not only in time (by 00:00.366) but also with 1 less press (141 total).
There's an encode with input displayed and number of presses shown here.
Watch this run being played back on a real console.