I just remembered an interesting tidbit from my childhood.
Around 7th grade in school I invented a pen-and-paper version of Street Fighter II for people to play during classes.
I don’t remember the exact details, but basically I drew a grid for the screen and then I drew stick figures in it, and passed the page around.
People would write-in their moves and then I played CPU: I’d erase the stick figures and redraw in new positions, update hit/miss, update the energy meters.
I remember trying to keep it balanced and true to the game: Dhalsim’s punch and kick could hit farther but were weaker, etc. I had all of the “sprites” with the character movements pre-determined on my notebook.
The game went on sneaking a page back and forth along players and me at the back of the class. I imagine how bored out of our minds we must have been in school to enjoy playing “Street Fighter II at 0.05 frames per second”.