(Time Extension) Here's Why Controllers Have 'A, B, X & Y' Buttons, And Not 'A, B, C & D'

[Le Reposteur]

It's all thanks to Nintendo.

If you've used a controller in the past few decades, you'll be familiar with the tried-and-true A, B, X, and Y button setup.

This arrangement has been used on the SNES, Dreamcast, Xbox, and Steam Deck and is considered by pretty much everyone to be the de facto standard for action button input (Sony is the exception, and has used symbols rather than letters for all of its consoles).

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Source: https://www.timeextension.com/news/2025 ... -b-c-and-d