Meowdoku Level 642 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 642 Step 1: Mark X at R5 C2, R6 C2, and R7 C2 + 1 more: a region is locked to this column
The yellow region must use column 2. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 642 Step 2: Mark X at R8 C1: a region is locked to this column
The blue region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 642 Step 3: Mark X at R1 C8, R2 C8, and R3 C8 + 3 more: a region is locked to this column
The brown region must use column 8. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 642 Step 4: Place cat at R5 C7: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 642 Step 5: Mark X at R7 C1, R7 C3, and R7 C4 + 1 more: a region is locked to this row
The purple region must use row 7. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 642 Step 6: Place cat at R8 C8: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 642 Step 7: Place cat at R6 C4: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 642 Step 8: Place cat at R7 C6: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 642 Step 9: Mark X at R4 C1 and R4 C2: a region is locked to this row
The teal region must use row 4. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 642 Step 10: Mark X at R2 C1 and R2 C3: cats cannot touch
Every possible cat for the yellow region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 642 Step 11: Mark X at R2 C2: cats cannot touch
Every possible cat for the blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 642 Step 12: Place cat at R2 C5: only legal cell
Place a cat here at . Row 2 has no other legal cell.
Meowdoku Level 642 Step 13: Place cat at R4 C3: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 642 Step 14: Place cat at R1 C2: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 642 Step 15: Place cat at R3 C1: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 642 Result
All 8 cats are placed correctly:
- R1 C2
- R2 C5
- R3 C1
- R4 C3
- R5 C7
- R6 C4
- R7 C6
- R8 C8


