If the next card is red, you win. Choose your move wisely.
Jack Murtagh's posts
This week's teaser challenges you to find patterns in how we name our numbers.
Figure out where you are in the world using just a few clues.
You can open one cabinet per day to find the mouse. Which do you choose?
Matchstick-moving puzzles often look simple, but they can be deceptively challenging.
A magic store sells truth-telling machines. Alas, one of them is broken.