Test your eyesight with this fun brain teaser! Can you spot the different unicorn in just 5 seconds? Only those with perfect ...

A challenge was shared on Reddit, captivating puzzle enthusiasts: a math puzzle that puts logic, arithmetic skills ... This math puzzle, characterized by a grid of numbers and arithmetic operations, ...

Discover how playing Minesweeper improves cognitive skills with logical difficulties, gameplay advice, and different game ...

There’s an analagous problem with the tests used on AIs. There are many well established tests covering such tasks as ...

Two of San Francisco's leading players in artificial intelligence have challenged the public to come up with questions ...

From the clue in cell 8, we know that cell 18 is c. We also know that the corner cells contain E, I, O and U. The letter E must be in the fifth column, since there is only one step between C and E ...

The aim of this quiz is to place Xs and Os correctly into each cell on the 3×3 grid, as in a tic-tac-toe game ... we can fill in the remaining squares using just logic in order to force a draw. Cell 9 ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

As Kareem discussed in his notes, this puzzle's grid is asymmetrical – a necessity to accommodate the fact that the theme answers have lengths of 13-, 11-, 12-, and 14-letters. The majority of ...

Ada: This puzzle started with GIMLI MANITOBA, which was inspired by my own background as an Icelandic-Canadian. I've never been to Gimli, but I've heard amazing things and I intend to visit someday.