Games are a bottomless reservoir of puzzle inspiration. This is because games and puzzles both tend to be founded on a concise set of logical rules. This week’s puzzle concerns one of the simplest ...

With perfect play, tic-tac-toe always ends in a draw. But what if you can play for both sides? Reading time 3 minutes Although most view tic-tac-toe as a kid’s game, puzzle designers see it as a ...

The game of three men’s morris was invented hundreds of years ago. It was eventually superseded by noughts and crosses, or tic-tac-toe. To play, you draw a grid. Each player has three counters, and ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

combines Tic Tac Toe and Poker to create a new poker game for the iPhone. You have eight chances to put together your best hand by playing down, across or diagonally. The game includes three play ...

There's rarely time to write about every cool science story that comes our way. So this year, we're running a special Twelve Days of Christmas series of posts, highlighting one story that fell through ...

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