# Questions tagged [puzzle-theory]

A question about categories, mechanics, or effects of puzzle in general, or about scientific research on puzzles.

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681 views

### How to choose the best answer in puzzles?

I gave my friends a lateral thinking puzzle There are six eggs in the basket. Six people each take one of the eggs. How can it be that one egg is left in the basket? My intended answer was But ...
786 views

### Assumption Needed when Solving Puzzle

When solving a logic puzzle, at times, one must make an assumption in order for a solution to be found. For example, in this perfectly good logic puzzle, it had to be assumed that the characters knew ...
3k views

### Sudoku and guessing : theory?

It has been proven that the minimum number of givens for a uniquely solvable classic 9x9 sudoku is 17. The usual solving method followed by people is : Fill all the cells where you are sure there is ...
988 views

### General puzzle categories and: Are there any emotional puzzles?

I'm not sure the title of this question is the best one - feel free to edit it - but I have a question on puzzles in general: Most puzzles I know (and surely most puzzles on this site) fall into the ...
636 views

### 'Companion Planting' Logic Puzzle - Is there an elegant solution?

Problem: You're a vegetable gardener planning to plant out seedlings in a new garden bed, however your farmer's almanac has outlined a system of rules about what plants can and cannot be placed next ...
233 views

### Is there some comprehensive, overall classification of puzzles?

Currently, I've begun to study puzzles and wonder if some book exists or something which breaks down all puzzles to types and describes them. I'm not a native English speaker, so I might be confused ...
159 views

### Creating a puzzle with rotating parts and logical approach

I am a game developer working on a project and I had an idea to create the following puzzle. There are two robotic "tentacles", each with 4 joints. The player can control some, but not all of the ...