All Questions
Tagged with logical-deduction solvability
3 questions
60
votes
4
answers
85k
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What is the maximum number of solutions a Sudoku puzzle can have?
I've seen Sudoku puzzles that can be solved two different ways. Referring to a traditional 9x9 grid:
Is it possible for a Sudoku puzzle to have more than two solutions? If so, what is the maximum ...
- 2,533
10
votes
1
answer
378
views
Web of Spirits - a puzzle of romance
Spirit Web:
Can you figure out the interconnected web of affections among these characters using the provided clues?
Basic Rules:
1: There are exactly three existing relationships.
2: No character in ...
- 3,949
10
votes
4
answers
2k
views
JonMark Perry's Grid Logic Puzzle
Consider the following puzzle type proposed by JonMark Perry.
Start with a square grid of arrows, each one pointing in one of the four cardinal directions. For example:
You start at the top left. ...
- 118k