Numbrix consists of a 9x9 matrix puzzle board in which several of the squares are filled in with numbers. To solve each puzzle, you must complete the number matrix using logic and memory.

Newer puzzle solvers usually ask the following questions the first time they encounter a rebus: Wait, what? You’re allowed to put more than one letter or word in a square? Yes, but only when the ...

Best of all, puzzle experts say the pattern could help you solve the hardest challenges much faster. This pattern means that ...

the game popularized in Japan that involves filling in a 9X9 grid of squares with the numbers 1–9 according to certain rules. Gary McGuire of University College Dublin shows in a proof posted ...