DailyRanks

Easy Sudoku

40 numbers are given. The best place to start if you're new to Sudoku.

Mistakes 0　

Every puzzle has exactly one solution (all levels except Evil are generated fresh each time). Close the page anytime; open the same level to continue.

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See rankings →Daily Sudoku →Printable Sudoku →Large Print Sudoku →4x4 Sudoku →6x6 Sudoku →Sudoku strategies →

How to solve Easy puzzles

Look for rows, columns or 3x3 boxes that are almost full. If only one cell is empty, the missing number goes there.

Then pick one number and scan the whole grid. You'll find boxes where that number fits in only one cell.

Easy puzzles are built to be solved with just these two ideas. You don't need notes yet.

Difficulty levels

LevelGiven numbersWhat it takes
Easy40Fill cells that have only one possible number
Medium32–33Same technique, fewer clues, more searching
Hard26–28Use notes; pairs and pointing at most
Expert26 or fewerBasics always stall; pairs or pointing required
Master28 or fewerPairs stall; X-Wing or XY-Wing required
Extreme26 or fewerEven X-Wing stalls
Evil26 or fewerThe Extreme puzzles that need the deepest reasoning. The hardest level

How to play

1. Pick a level

Choose one of seven levels from Easy to Evil. You get a new puzzle each time.

2. Fill in numbers

Tap a cell, then a number. Each row, column and 3x3 box must contain 1 to 9 exactly once.

3. Complete the grid

Use Notes to pencil in candidates. Wrong numbers turn red.

Full rules and how to play →

FAQ

Is it free?

Yes. All seven levels are free. No sign-up.

Does every puzzle have one solution?

Yes. Each puzzle is checked by the program to have exactly one solution.

Will I lose my progress if I leave?

No. Open the same level on the same device and browser to continue. One game is saved per level.

What is the "???" button?

It's a secret stage with 3 special puzzles you won't find anywhere else (3 levels). Share, or enter the password, to open it. The password is in the share text and changes every Monday.

What are the daily stamps?

You get one stamp on each day you play. The days don't need to be in a row. Every 7th stamp is gold: it unlocks a board theme and gives you a 🎟️ mistake pass. Your stamps are saved only in this browser (no sign-up).

What is the 🎟️ mistake pass?

It lets you undo a mistake. You get one every day (use it that day) and one with each gold stamp (you can keep these). Tap the button that appears when you make a mistake. Your time still counts for the ranking.

Are there ads?

We never interrupt you with ads while you're solving a puzzle.

Can I play on my phone?

Yes. No install needed. On a computer you can also use number keys, arrow keys and N to toggle notes.

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