We played it with pen and paper.
I forgot. I've lived in the United States for too long. In a rich country.
Nay, it's not a problem of money, not in France. It's just handy n easy you can play it so just anywhere, at school, in the bus, etc. There are many such games one can play with just a pen and paper when not home, or if you don't have got the proper game in a box and want to play it anyway.
In jail, once, I drew and cut a chess board and chess pieces (book like) on cardboards, and had for it a playable set in a situation where nothing better was at hand before long.
But how do you get on this site? Are they strict with what websites you go on?