I’ve been reading “Shareware Heroes: The renegades who redefined gaming at the dawn of the internet” learning of games developed before I was born, or when was too small.
I’m finding old gems to play and understanding that we have the same problems developing games 30+ years after, although with some obvious differences.

Currently playing:
https://www.classicdosgames.com/game/Kentris.html

Which reminds me of another Tetris I don’t know how it came to my PC in the 90s.
https://www.youtube.com/watch?v=VaK7v8UNjo0