Earlier quoted context omitted.
My friends and I used to occasionally play a card game called Mao. The winner of each round (the first to get rid of the cards in their hand) could make up a new rule governing game play for following rounds. But they didn't announce their rule, instead punishing players who broke it by giving them an extra card. By watching the punishments, you had to try to work out their rule so you could avoid breaking it. With t…
Mao belongs to a class of games called inductive reasoning games. They're mostly crap, but there are a few gems. IMO the best one of the bunch is Zendo where one player makes up a rule that determines whether a grouping of playing pieces is valid or not (usually played with Treehouse pieces, but e.g. a limited selection of lego pieces can also work). The other players then basically need to use an experimentation / i…
Tangentially: this kid is an awesome proto-nerd, and I fully expect that he'll be posting at HN in another 6 to 8 years - for the last two years he's wanted to program a computer game, and I told him that he and I would learn HTML5 and JS together when he turns 10. We've already got the domain name picked out.
If you haven't engaged with an intellectually precocious kid, you can't imagine how fun and rewarding it is.