Picross S Namco Legendary Edition Mega Picross mode’s tenth set of fifteen puzzles (M136-M150) are rather difficult to complete compared to the rest of the game’s puzzle due to the larger 20×15 grid sizes. Thankfully, I created this guide to help you solve all of the puzzles with ease by providing solutions for each one.
You can also view the previous set of Mega puzzle solutions (M121-M135), or see all guides with TendoSource’s official Picross S Namco Legendary Edition walkthrough page.
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Picross S Namco Legendary Edition: Mega Picross Mode Nintendo Switch Puzzle Solutions

I included a table of contents for the puzzle solutions in this guide to best help you.
Click on the navigation links to quickly jump to your desired Picross puzzle solution:
1) Puzzle M136 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “15” and “9/1/3”.
2) Puzzle M137 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “20” and “5/11/2”.
3) Puzzle M138 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “5/2/10” and “5/12”.
4) Puzzle M139 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “20” and “18”.
5) Puzzle M140 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “6/10” and “5/11”.
6) Puzzle M141 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “9/3/5” and “1/13”.
7) Puzzle M142 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “15” and “7/10”.
8) Puzzle M143 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “4/10”.
9) Puzzle M144 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “5/1/2/2/4” and “1/3/13”.
10) Puzzle M145 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “6/2/6/1” and “2/1/4/2/1/3”.
11) Puzzle M146 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “9/4”.
12) Puzzle M147 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “6/5/5” and “3/2/2/1/2”.
13) Puzzle M148 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “13” and “6/3/2.
14) Puzzle M149 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “2/2/5/1/2” and “7/1”.
15) Puzzle M150 Solution

Grid Size: 20×15
Start by filling in the rows and columns marked with “3/1/1/10” and “10”.
View All Picross S Namco Legendary Edition Mega Puzzle Solution Guides
View solutions for the rest of Picross S Namco Legendary Edition’s Mega Picross mode by visiting TendoSource’s official Picross S Namco Legendary Edition Walkthrough page.
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