The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

Imagine that you have three boxes: one containing two black marbles, another containing two white marbles and a third containing one black marble and one white marble. The boxes were labeled for their ...

There are a lot of puzzles packed into Signalis, however, many of them are pretty complex meaning that they serve as substantial roadblocks for players who aren’t big puzzle fans. The Fuze Box puzzle ...