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Results tagged with grid-deduction
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user 62738
Puzzles such as Sudoku or Kakuro, where the final state of a pre-existing grid must be deduced logically through clues placed within and/or around the grid. Use with the [logical-deduction] tag. For puzzles where you are given a list of clues which can be used to compose a grid to solve them logically, use the [logic-grid] tag instead.
3
votes
2
answers
811
views
Is this N=3 Star Battle unsolvable?
Recently I've been solving some puzzles known as Star Battle, but I've come across a puzzle that no matter how many times I restart, I always seem to arrive at a contradiction.
Star Battle is played b …
- 2,682
3
votes
Accepted
Unpainted Masyu
I've found one solution, through some logical reasoning followed by trial and error.
Thanks to Skynet_0 for pointing out that one of my solutions is invalid.
- 2,682
13
votes
1
answer
524
views
Hexagonal Nurikabe
Nurikabe is a popular grid puzzle, usually played on a square grid. Here is my attempt to adapt it to a hexagonal grid.
To solve it, you must shade cells in the grid such that these conditions are met …
- 2,682
7
votes
1
answer
367
views
Palette: A Multicoloured Grid Deduction Puzzle
This is an entry for Fortnightly Topic Challenge #44: Introduce a new grid deduction genre to the community.
I've been dreaming up potential logic puzzles involving colours, and how they mix to form n …
- 2,682
2
votes
How do I transcribe a Masyu into a Google Sheets?
Building on from Ed Murphy's answer, I put together a sheet using checkboxes for the lines, and uses box drawing characters to complete the look:
It uses conditional formatting to make the line stand …
- 2,682
10
votes
1
answer
442
views
3D Slitherlink (Slithersurface)
Here is a 5 x 5 x 5 cube filled with numbers.
It's a 3D adaption of standard slitherlink puzzles.
You must create a solid 3D object such that the number in each sub-cube matches the number of adjacent …
- 2,682
27
votes
Accepted