Yank one into the realm of feasibility and the whole NP edifice collapses, and a scientific revolution rises from the rubble, ...

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

I’ll brace myself for some GRR and DARN IT and THE WORST and SO OVER IT — still striving for a tough Saturday themeless, ...

Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers.

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

One of the easiest ways to provide stimulation is through the use of interactive dog toys, like the best dog puzzle toys. "All dogs need to eat, so using [puzzle toys] to make their life more ...

In a short matter of time, it became a hit and was the second most-played puzzle after Wordle. Below are instructions on how to play and clues to help you solve the game, but the answers appear at ...

The jungles of Siam are hiding all sorts of secrets, and scattered across it is a series of puzzles that might just be the hardest in the entire game. When you first find the hidden pyramid as par ...

The game is published daily by The New York Times and is their second-most popular puzzle after Wordle. Below are instructions on how to play and clues to help you solve the puzzle, but the ...

The stress of Minesweeper, the unfathomably cryptic language of Nonogram’s and bewilderment on where to even begin that more challenging Sudoku puzzles can often muster. And you’re telling me ...

This year's puzzle challenges the public to decode the names of UK landmarks, testing skills including codebreaking, maths and lateral thinking. The deceptively tricky tasks require ingenuity and ...

Test your mettle with this puzzle created exclusively for "Smithsonian" readers Test your mettle with this puzzle created exclusively for 'Smithsonian' readers Test your mettle with this puzzle ...