https://automaton-media.com/en/news/super-smash-bros-was-playtested-in-a-way-thats-not-possible-today-sakurai-reveals/
Super Smash Bros was playtested in a way that's not possible today, Sakurai reveals - AUTOMATON WEST
Sep 4, 2024 - The game creator reveals a highly effective playtesting method that Hal Laboratory used in the 1990s on games such as Super Smash Bros on N64