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Cat Sudoku Level 50 Hard · 9×9

Level 50 of 50 · 9 cats, one per row, column and color · about 20 logical steps.

Time0:00 Cats placed 0/9

A place for every cat.

Find them all, one square at a time.

Tap a square to place a cat. Choose Mark to cross out squares.

How to play & cat styles
  1. One cat in each row, column and color.
  2. Cats cannot touch, even diagonally.
  3. Use Mark to cross out squares; drag to mark several.

C places a cat · X marks · arrows move.

Full rules with examples →

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You solved Cat Sudoku Level 50.

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Level 50 at a glance

Board size9×9 (81 cells, 9 cats)
DifficultyHard
Smallest regionRose (2 cells)
Largest regionCoral (24 cells)
Techniques neededa region locked into one row or column; touch eliminations (a cat that would block a whole region); region groups (k regions squeezed into k rows or columns); last open cell in a row, column or region

Hint: how to open level 50

The first three logical moves on this board, in order. Stop reading after the first one if you only want a nudge.

  1. Every open cell of the Peach region lies in row 1. That cat will use row 1, so the other cells of row 1 can be crossed out. Cross out row 1, column 1; row 1, column 2; row 1, column 3; row 1, column 4; row 1, column 5 and 1 more.
  2. Every open cell of the Rose region lies in column 9. That cat will use column 9, so the other cells of column 9 can be crossed out. Cross out row 2, column 9; row 3, column 9; row 6, column 9; row 7, column 9; row 8, column 9 and 1 more.
  3. A cat here would block every remaining cell of the Sage region, so this cell can be crossed out. Cross out row 1, column 8 .
LilacCoralCoralSkySkyPeachPeachPeachSageLilacLilacCoralSkySkySkySageSageSageLilacLilacCoralCoralCoralSkySkySageSageMintMintSandCoralCoralSkyCoralCoralRoseMintMintSandCoralCoralCoralCoralCoralRoseMintSandSandCoralCoralCoralCoralCoralCoralMintMintSandButterButterButterCoralButterCoralMintMintButterButterButterButterButterButterCoralMintButterButterButterButterButterButterButterButter ✕✕✕✕✕✕
Step 1 on level 50: the outlined cells are the ones the first move is about.

Still stuck later on? Press Hint under the board for the next step from your current position.

Level 50 solution

Show the solution (spoiler) LilacCoralCoralSkySkyPeachPeachPeachSageLilacLilacCoralSkySkySkySageSageSageLilacLilacCoralCoralCoralSkySkySageSageMintMintSandCoralCoralSkyCoralCoralRoseMintMintSandCoralCoralCoralCoralCoralRoseMintSandSandCoralCoralCoralCoralCoralCoralMintMintSandButterButterButterCoralButterCoralMintMintButterButterButterButterButterButterCoralMintButterButterButterButterButterButterButterButter
  1. Row 1: column 7 (Peach region)
  2. Row 2: column 2 (Lilac region)
  3. Row 3: column 8 (Sage region)
  4. Row 4: column 6 (Sky region)
  5. Row 5: column 9 (Rose region)
  6. Row 6: column 5 (Coral region)
  7. Row 7: column 3 (Sand region)
  8. Row 8: column 1 (Mint region)
  9. Row 9: column 4 (Butter region)

Want to learn the logic behind these steps? Read Cat Sudoku tips and strategies or review the rules.