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Questions tagged [masyu]

Masyu is a logic puzzle where the goal is to draw a single loop through every circle in a grid. A loop passing through a white circle must pass directly through it and make a turn on at least one side, and a loop passing through a black circle must make a turn inside the circle and continue straight on both sides.

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5 votes
1 answer
211 views

Stuck on a Masyu variant

The following puzzle is from Brain Teasers for Puzzlers by Gareth Moore. Find a continuous non-intersecting loop that passes through the center of each cell in the grid. Between each cell marked with ...
Marlou marlou's user avatar
0 votes
2 answers
259 views

Dramatic follow-up 3D masyu problem

This is follow-up problem for Another four 3D masyu Your little dog has been abducted by aliens, and they will do unthinkable things to it. That is unless you provide solutions for problems C and D, ...
Alexey Birukov's user avatar
4 votes
2 answers
290 views

Another four 3D masyu

This puzzle is inspired and descended from Brain-breaking 3D masyu Here the exact copy of rules, for convenience: This is a three-dimensional masyu puzzle.1 The five squares depict the layers of a $...
Alexey Birukov's user avatar
20 votes
2 answers
1k views

Masyu: Four Colours

Draw four separate loops in the grid, one blue, one green, one grey and one red. Loops connect centres of cells horizontally and vertically and cannot cross over themselves or share any cell with each ...
Jafe's user avatar
  • 83.4k
15 votes
1 answer
1k views

Riverboat Soufflé

This is part 57 of the puzzle series Around the World in Many Days. Each part is solvable on its own. Dear Puzzling, This is a bicolour Masyu puzzle. Draw two separate loops in the grid, one red and ...
Jafe's user avatar
  • 83.4k
9 votes
2 answers
561 views

Unchained Again

This is part 53 of the puzzle series Around the World in Many Days. Each part is solvable on its own. Dear Puzzling, The black and white circles in this grid form a Masyu puzzle. Draw one continues ...
Jafe's user avatar
  • 83.4k
7 votes
3 answers
620 views

How do I transcribe a Masyu into a Google Sheets?

I received some PDF puzzle books for Christmas and have been solving them in a Google Sheets. The basic tools of borders, background colors, and entering numbers work for lots of genres (Nurikabe, ...
bobble's user avatar
  • 10.9k
13 votes
1 answer
526 views

Windmill: A Masyu Puzzle

The standard Masyu rules apply.
athin's user avatar
  • 34.5k
20 votes
1 answer
628 views

2021 Unpainted Masyu

Paint some white circles to black such that the Masyu will be uniquely solvable and: Exactly 2 of 11 white circles on the left forming '2' should be painted black. Exactly 0 of 12 white circles on ...
athin's user avatar
  • 34.5k
2 votes
1 answer
409 views

Masyu puzzle with secret code

What secret code is hidden in this masyu puzzle? Note: The regions marked with x are not to be drawn
00xxqhxx00's user avatar
  • 2,315
10 votes
1 answer
357 views

A Simple Antisymmetric Masyu

The standard Masyu rules apply.
athin's user avatar
  • 34.5k
14 votes
1 answer
424 views

Maserlink - A Masyu-Slitherlink Hybrid

Both Masyu and Slitherlink puzzles have as their target a single closed loop that does not touch or intersect itself. So it seems natural to create a hybrid that uses both Masyu and Slitherlink clues. ...
Jeremy Dover's user avatar
  • 29.7k
17 votes
2 answers
699 views

What Masyu do with the antique clock?

Anagram is needed, and it will answer: What Masyu do with the antique clock?
athin's user avatar
  • 34.5k
8 votes
2 answers
323 views

I know I should solve this Masyu... But... How should I make this puzzle more colorful?

I know I should solve this Nurikabe variant... I know I should shade all Masyu circles... I know I should not let $2 \times 2$ unshaded squares appeared... I know I should solve this Masyu... ...
athin's user avatar
  • 34.5k
13 votes
1 answer
331 views

Unpainted Masyu

Exactly 3 of 7 circles here should be painted black to make the Masyu uniquely solved. Find them!
athin's user avatar
  • 34.5k

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