Play Killer Sudoku or Sumdoku. Fill the grid with the numbers 1 to 9, such that each row, column and box contains each number only once. Additionally, a Killer Sudoku grid is divided into cages, each cage has its own background color. The values of the cells in a cage must sum up [...]
Everyday a new Binary puzzle for kids with dog and pooh. Every row and column has the same amount of dog and pooh. There can be only a maximum of 2 of the same in a row.