What Is a Logic Puzzle? Parts, Kinds and a Worked Example
A logic puzzle gives facts and rules, and the answer follows by deduction alone. Its parts, its kinds, what makes a good one, and a classic solved step by step.
Riddle10 blog
Articles about puzzle design
What Is a Brain Teaser? Its Parts, Kinds and What Makes One Good
A brain teaser is a short puzzle with a hidden trap, a moment of insight and one checkable answer. Its kinds, its neighbours and what makes a good one.
What Is a Number Puzzle? Definition, Kinds and Worked Examples
A number puzzle is a puzzle whose clues and answer are about numbers. Its parts, main kinds, how it differs from an exercise, and what makes a good one.
What Makes a Good Puzzle? One Answer, Fair Clues and an Aha Step
A good puzzle has one answer, fair clues, a clear goal and an aha step. What research on logic, weighing and dissection puzzles shows about each.
Puzzle With a Unique Solution: How Designers Make Sure
A good puzzle has exactly one answer. How designers and researchers check every possibility so a puzzle ends with a single solution.
How Puzzle Difficulty Is Measured: Solve Rates to Dead Ends
Puzzle difficulty is measured by solve rates, ratings, dead ends and solution length. What research says each method shows and misses.
What Is a Puzzle? A Definition From Mathematics and Puzzle Design
A puzzle has a fixed start, fixed rules and a clear goal. What research says makes a puzzle good, what makes it hard, and when it has no solution.