Players swiping their way through levels of Candy Crush Saga might be surprised to learn they’re solving puzzles enhanced by ...

When you do a puzzle, you may not realize it ... while trying to determine where it fits, your brain is hard at work.

So, then, how do we figure out what goes where ... That’s normal, especially on hard puzzles. There are lots of ways to break through and have that “aha” moment that helps you fill in ...

The only hard and fast rule is not to repeat numbers ... The study went so far as to say those who do puzzles like sudoku have brain function that is equal to 10 years younger than their actual ...

Play the New York Post’s daily hard-level Sudoku puzzle online. See if you can fill in each square with a number 1-9, without repeating any number within each column or row. You can also play ...

I do the New York Times crossword puzzle every ... you pick up the paper or download our app and turn to the Saturday puzzle. How hard could it be? The Saturday crossword is actually the hardest ...

On new levels designed for people who have played the game for a long time, the company wants to ensure the puzzles are fun “on first contact.” “That’s hard for us to do, because we don ...