User talk:2600:1700:850:1D40:8575:7E47:65E7:5EE0

Quick note on this bit from the intro: "It is a pun of the word mashō (魔性), meaning "devilishness", and in keeping with this theme, the Japanese cartridge contained a red LED at the top which illuminated when turned on." This isn't true; the red LED was an Irem trademark on Famicom and came about as a sort of apology from Nintendo for overstepping their bounds with Irem: https://www.polygon.com/features/2019/2/4/18201436/tozai-games-history-r-type-lode-runner-spelunker