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Meowdoku Level 640 Answer Key, Walkthrough & Solution

How to solve Meowdoku level 640? Get instant solution for Meowdoku 640 with our step by step solution & video walkthrough.

Meowdoku Level 640 Answer, Cheat & Solution

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Play Meowdoku Level 640 Online — Unlimited Hints & No Ads

Stuck on a move? Use unlimited hints to see the logic behind each step and learn how to solve the puzzle as you play.

Cat
0/10
Level 640
1 cat in each color region
1 cat in every row and column
Cats can’t touch, even diagonally
Level 639
Level 641
Share Meowdoku Level 640 Guide:

Meowdoku Level 640 Step-by-Step Logic Walkthrough & Explained

Follow the replay below. Each board shows the result after applying that step.

Meowdoku Level 640 Step 1: Mark X at R1 C4, R2 C2, and R3 C3: cats cannot touch

Board after Step 1

Every possible cat for the pink region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 2: Mark X at R9 C4: cats cannot touch

Board after Step 2

Every possible cat for the rose region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 3: Mark X at R6 C6: cats cannot touch

Board after Step 3

Every possible cat for the magenta region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 4: Mark X at R1 C1: assuming a cat there leaves a region empty

Board after Step 4

Suppose held a cat in the yellow region. That assumption would leave the rose region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 5: Mark X at R1 C5: assuming a cat there leaves a region empty

Board after Step 5

Suppose held a cat in the yellow region. That assumption would leave the magenta region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 6: Mark X at R1 C6: assuming a cat there leaves a region empty

Board after Step 6

Suppose held a cat in the yellow region. That assumption would leave the magenta region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 7: Mark X at R1 C7: assuming a cat there leaves a region empty

Board after Step 7

Suppose held a cat in the yellow region. That assumption would leave the brown region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 8: Mark X at R1 C8: assuming a cat there leaves a region empty

Board after Step 8

Suppose held a cat in the yellow region. That assumption would leave the purple region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 9: Mark X at R1 C9: assuming a cat there leaves a region empty

Board after Step 9

Suppose held a cat in the yellow region. That assumption would leave the brown region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 10: Mark X at R1 C10: assuming a cat there leaves a region empty

Board after Step 10

Suppose held a cat in the yellow region. That assumption would leave the brown region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 11: Mark X at R2 C3: cats cannot touch

Board after Step 11

Every possible cat for row 1 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 12: Mark X at R2 C1: assuming a cat there leaves a region empty

Board after Step 12

Suppose held a cat in the yellow region. That assumption would leave the sky blue region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 13: Mark X at R2 C5: assuming a cat there leaves a region empty

Board after Step 13

Suppose held a cat in the yellow region. That assumption would leave the brown region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 14: Mark X at R3 C1: assuming a cat there leaves a region empty

Board after Step 14

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 15: Mark X at R3 C2: assuming a cat there leaves a region empty

Board after Step 15

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 16: Mark X at R3 C4: assuming a cat there leaves a region empty

Board after Step 16

Suppose held a cat in the yellow region. That assumption would leave the blue region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 17: Mark X at R3 C5: assuming a cat there leaves a region empty

Board after Step 17

Suppose held a cat in the yellow region. That assumption would leave the brown region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 18: Mark X at R2 C7: cats cannot touch

Board after Step 18

Every possible cat for row 3 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 19: Mark X at R4 C1: assuming a cat there leaves a region empty

Board after Step 19

Suppose held a cat in the yellow region. That assumption would leave Row 1 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 20: Mark X at R4 C5: assuming a cat there leaves a region empty

Board after Step 20

Suppose held a cat in the yellow region. That assumption would leave the teal region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 21: Mark X at R5 C1: assuming a cat there leaves a region empty

Board after Step 21

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 22: Mark X at R9 C5, R10 C2, and R10 C3 + 2 more: regions are trapped in those lines

Board after Step 22

Column 1 can only be filled by the sky blue region. Those region must stay in that column. Mark the highlighted cells with X.

Meowdoku Level 640 Step 23: Mark X at R6 C4: cats cannot touch

Board after Step 23

Every possible cat for column 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 24: Mark X at R5 C2: assuming a cat there leaves a region empty

Board after Step 24

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 25: Mark X at R5 C5: assuming a cat there leaves a region empty

Board after Step 25

Suppose held a cat in the yellow region. That assumption would leave Column 2 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 26: Mark X at R7 C4 and R7 C6: cats cannot touch

Board after Step 26

Every possible cat for column 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 27: Mark X at R6 C2: assuming a cat there leaves a region empty

Board after Step 27

Suppose held a cat in the yellow region. That assumption would leave the rose region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 28: Mark X at R6 C5: assuming a cat there leaves a region empty

Board after Step 28

Suppose held a cat in the yellow region. That assumption would leave Column 2 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 29: Mark X at R8 C4, R8 C6, and R9 C6: cats cannot touch

Board after Step 29

Every possible cat for column 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.

Meowdoku Level 640 Step 30: Mark X at R6 C7: assuming a cat there leaves a region empty

Board after Step 30

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 31: Mark X at R7 C2: assuming a cat there leaves a region empty

Board after Step 31

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 32: Mark X at R7 C7: assuming a cat there leaves a region empty

Board after Step 32

Suppose held a cat in the yellow region. That assumption would leave the magenta region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 33: Mark X at R8 C2: assuming a cat there leaves a region empty

Board after Step 33

Suppose held a cat in the yellow region. That assumption would leave the teal region with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 34: Mark X at R8 C7: assuming a cat there leaves a region empty

Board after Step 34

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 35: Mark X at R9 C2: assuming a cat there leaves a region empty

Board after Step 35

Suppose held a cat in the yellow region. That assumption would leave Row 1 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 36: Mark X at R9 C7: assuming a cat there leaves a region empty

Board after Step 36

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 37: Mark X at R9 C8: assuming a cat there leaves a region empty

Board after Step 37

Suppose held a cat in the yellow region. That assumption would leave Column 4 with no legal cell left. So cannot contain a cat. Mark it with X.

Test this possible cat

Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.

Meowdoku Level 640 Step 38: Place cat at R1 C2: only legal cell

Board after Step 38

Place a cat here at . The yellow region has no other legal cell.

Meowdoku Level 640 Step 39: Place cat at R2 C4: only legal cell

Board after Step 39

Place a cat here at . The pink region has no other legal cell.

Meowdoku Level 640 Step 40: Mark X at R8 C3 and R9 C3: a region is locked to this column

Board after Step 40

The teal region must use column 3. No other region can use that column. Mark the highlighted cells with X.

Meowdoku Level 640 Step 41: Place cat at R8 C5: only legal cell

Board after Step 41

Place a cat here at . The rose region has no other legal cell.

Meowdoku Level 640 Step 42: Place cat at R10 C6: only legal cell

Board after Step 42

Place a cat here at . The magenta region has no other legal cell.

Meowdoku Level 640 Step 43: Place cat at R4 C7: only legal cell

Board after Step 43

Place a cat here at . The blue region has no other legal cell.

Meowdoku Level 640 Step 44: Place cat at R5 C9: only legal cell

Board after Step 44

Place a cat here at . The brown region has no other legal cell.

Meowdoku Level 640 Step 45: Place cat at R3 C10: only legal cell

Board after Step 45

Place a cat here at . The green region has no other legal cell.

Meowdoku Level 640 Step 46: Place cat at R7 C8: only legal cell

Board after Step 46

Place a cat here at . The purple region has no other legal cell.

Meowdoku Level 640 Step 47: Place cat at R6 C3: only legal cell

Board after Step 47

Place a cat here at . The teal region has no other legal cell.

Meowdoku Level 640 Step 48: Place cat at R9 C1: only legal cell

Board after Step 48

Place a cat here at . The sky blue region has no other legal cell.

Meowdoku Level 640 Result

All 10 cats are placed correctly:

  • R1 C2
  • R2 C4
  • R3 C10
  • R4 C7
  • R5 C9
  • R6 C3
  • R7 C8
  • R8 C5
  • R9 C1
  • R10 C6

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