Puzzle fans will love hitori. Instead of filling in numbers on a grid, they have to black them outlike playing sudoku backwards! Hitori is a new brainchild of N

Binary puzzles, also known as Takuzu, are not Sudoku! The grid can be a square of any even size,such as 8x8, 10x10, 12x12, 14x14 and so on. And you use only the

From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Batt