Not sure if you read TFA, but it was about games whose code you “type in” from a book or magazine. I did it a lot back in the 80s when I first started programmi

Not sure if you read TFA, but it was about games whose code you “type in” from a book or magazine. I did it a lot back in the 80s when I first started programming. The Sierra games took typed commands, but you got the games on diskettes. That was a later era than the games mentioned in the article.