2048
Merge tiles and reach 2048.
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Sudoku
Complete the nine-by-nine grid.
Getting your game ready…
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View all →How to Play
Select a blank cell and enter a number. Each row, column and box needs 1–9 once.
Tips to Improve Your Score
Start with rows or boxes that have the fewest gaps. Notes can track candidates.
About the Game
A number-placement puzzle with locally generated, uniquely solvable grids. Easy, Medium and Hard use different clue counts, not human solving-technique ratings.
Frequently Asked Questions
How do I play Sudoku?
Select a blank cell and enter a number. Each row, column and box needs 1–9 once.
What helps in Sudoku?
Start with rows or boxes that have the fewest gaps. Notes can track candidates.
Where is my personal best saved?
Your best score is saved only in this browser on this device. Private browsing or clearing site data may remove it. If storage is unavailable, you can still play.