Numbers
Daily Sudoku
A traditional nine-by-nine number puzzle with daily boards and difficulty choices.
Try thisLook for a digit that has only one possible position within a box.
Play here How to play & detailsNumbers · PLAY HERE
Quick Arithmetic
Check arithmetic statements under pressure.
Ready when you are.
The game stays unloaded until you choose to play.
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How to play
Decide whether each displayed calculation is correct.
A useful first move
Read the operator carefully; a familiar pair of numbers can be misleading.
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Numbers
Killer Sudoku
Combine Sudoku deductions with totals for groups of cells.
Try thisSmall cages with very low or high totals have few possible combinations.
Play here How to play & details
Numbers
Daily Sudoku X
Diagonal constraints add another layer to a familiar number grid.
Try thisUse the diagonals as extra regions when eliminating candidates.
Play here How to play & details