Free online game
Codebreaker
Crack the secret four-digit sequence in ten guesses. The clues reveal correct positions and misplaced digits.
Free games, printables and puzzles
Free Puzzle Games & Logic Brain Teasers
Play original challenges, print activities, explore puzzle mechanisms, use classroom resources and follow investigations into lost instructions.
Choose your route
Play games and explore more puzzles
Each section links naturally back to the puzzle archive and solution library.
Free online game
Lights Out
Turn off all sixteen lights. Each press changes the selected light and its horizontal or vertical neighbours.
Free online game
Pattern Detective
Find the missing term in ten number sequences, from easy stepping rules to more involved patterns.
Free online game
Maze Runner
Navigate a new maze from the starting dot to the star. Use the direction buttons or arrow keys, and request a shortest-path hint.
40 challenges
Brain Teasers With Answers
Test your logic, number sense, pattern spotting and wordplay with optional hints and complete explanations.
Try a challenge →Describe an unknown puzzle
Type what you can see and get ranked guesses from the recognition database without sending anything to us.
Identify a puzzle from a photo
Compare a photo privately with the Crafty Puzzles archive. Enhanced recognition runs in your browser only after you choose to load the model.
Lost puzzles and recovered instructions
Archive Detectives
Follow the evidence used to identify discontinued puzzles, trace lost instruction pages and verify recovered solutions.
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Interactive challenges
Play Puzzles Online
Try original browser-based puzzles with move counters, hints, keyboard controls and explanations of the underlying ideas.
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Free print-and-play resources
Printable Puzzle Library
Print original tangram, pentomino, matchstick and puzzle-history activities with separate hints and answers.
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Teacher and club resources
Puzzles for the Classroom
Ready-to-use activities for algorithms, coordinates, decomposition, design, testing and puzzle history.
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Puzzle types and mechanisms
Mechanical Puzzle Encyclopaedia
Learn how major puzzle families are classified, recognised and solved, with examples from the Crafty Puzzles archive.
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Inside the puzzle
How Puzzle Mechanisms Work
Animated explainers show how key pieces, sliding panels and disentanglement moves create apparently impossible challenges.
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Collector resources
Collecting and Preserving Puzzles
Practical guidance for cataloguing, photographing, handling and preserving puzzle collections and instruction sheets.
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Safe workshop projects
Build Your Own Puzzles
Create simple original puzzles from card and paper, then test and improve them using a structured design process.
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Community research
Mystery Puzzles
Help identify unknown puzzles and contribute evidence, photographs or missing instructions.
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Collection catalogue
Digital Puzzle Museum
Browse the archive as a collection, understand catalogue records and learn how each object is documented.
Open sectionDesigned for different visitors
New puzzlers
Start with an online challenge, learn the main puzzle types and use progressive hints before opening a full solution.
Start playingTeachers and clubs
Use printable activities and structured lessons covering algorithms, coordinates, decomposition, design and testing.
Open education resourcesCollectors and researchers
Catalogue, photograph and preserve objects while helping identify missing or discontinued puzzles.
Open collector resources