Sony's first game console prototype was made in the early 70s

[Yurinka]

Before the first PlayStation, Sony made games for consoles like SNES in the '90s, and even made their own gaming hardware and games in the '80s (MSX), but what I didn't know is that in the early '70s they made a prototype game console that never got released called Sony TV Game Machine.

It was a cartridge based console that was controlled with buttons in the console itself instead of using an external controller. Seems it had buttons labeled as "1", "2", "3" and "Accept", suggesting it was designed for trivia, text based or turn based games. Or who knows what, because back then videogames were mostly Pong variation clones.

TV Game Machine

The TV Game Machine is an unreleased prototype console developed by Sony during the first generation of video games. The prototype dates back to the first generation of home video gaming during the 1970s, however the exact year it was developed is unknown.[1] Between 2004 and 2005, the machine...

playstation.fandom.com

 

[Nym]

Its limited controls suggest a focus on trivia or text-based games.

It could totally do Tetris

 

[thicc_girls_are_teh_best]

Heard a little about this before, seems like an interesting concept but of course, never released. Probably for the best considering what happened to the market in the early '80s and this not seeming like the sort of system that would've done anything to stave that off.