Fun Share: Number Guessing Game (binary magic trick)

when i was a kid, i remember making a set of 6 cards, each with a list of numbers and impressing my friends how i could name any number they guessed by the answers they gave to a simple question of ‘is your number here?’ for each card.

couple of screenshots:

here’s the link:

can you figure out how it works?


I love re-making childhood games in Thunkable!

What is the range of numbers allowed in this game? Not sure how it works yet but it’s a neat trick!

Two games I played as a kid – both at the Lawrence Hall of Science in Berkeley – were:


Both were first programmed in the 60s or 70s and were examples of early AI-style activities.

1 Like

this one is for guessing any number from 1 to 63