Solve the grid in this medium Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the ...

Solve the grid in this easy Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the ...

In a new study, a team of computer scientists from the University of Colorado Boulder decided to find out. The group created nearly 2,300 original sudoku puzzles, which require players to enter ...

Introducing Tubedoku, a new puzzle game which tests players knowledge of the London transport network – specifically the capital’s 430 Underground, Overground and DLR stations – in a Sudoku-style grid ...