How quickly can you solve a Sudoku? You have just six minutes to crack each of these teasers!
Each puzzle is available to play online for two weeks from its date of release. When playing:
Click on Help for full guidance on playing the puzzle online, including how to use the Reveal/Verify and Assist functions.
Press Reset to empty the grid of all placed digits except those that have been revealed/verified.
Use Save to store a half-solved puzzle.
Press Submit when you’ve completed the puzzle.