Puzzles

Educational puzzles, brain teasers, mathematical recreations and word games. A resource for anagrams, cryptograms, alphametics, word puzzles, logic problems, doublets, tangrams, chess, and math quizzes.

Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.

Brain teasers, puzzles, riddles, games and optical illusions.

Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games.

The daily crossword puzzle with four ways to play, plus free classic crosswords and trivia quizzes. Subscription required.

Offers online and offline versions. Includes different styles such as alpha-cross, cryptic, and codeword.

Offers reviews and information about several puzzle sites.

Makes wire puzzles of various levels of difficulty.

Maker of hand machined brass puzzles.

A word search game that covers world religions.

The on-line word search applet offers several solving modes. Player can choose printable puzzle and answer sheet.

Offers puzzles on a variety of topics, as well as the solution.

Browser based solver. [Requires Flash 6]

Freeware application with auto-solver and ingenious animations. Includes article about solving by computers. [Windows]

Creators of the stereogram craze of the '90s. A new image is posted weekly, and includes the answer.

Some harder riddles marked with stars to identify the degree of difficulty of each riddle. Accompanied with answers.

Collection, sorted into lots of categories to amuse, puzzle and test.

An encyclopedia entry describing the rules, history, strategies and variants of Sudoku. Notes that these are a type of "Latin square" which have been analyzed since ancient times.

Offers a tutorial for creating puzzles, a Java-based solver, and links to other resources. [English/Japanese]

Offers classic Sudoku and variants, as well as an online solver.

Offers five difficulty levels.For each sudoku ,You can print with normal and candidate mode.

Article by Paula Dear. Covers history in Japan and the UK and compares to the Rubik's cube craze of the 80s.

Site with a very large number of puzzles and variants (4x4...25x25, Multi 2, Multi 4, Samurai Sudoku, etc.). Beginner to expert, solving engine, training aids, and "app-like" user interface.

Solve Sudoku puzzles online, with interface targeted to tablets.

Downloadable computer application. With the program comes hundreds of free puzzles by many different creators.

Available to solve online or download. Includes solving help page.

Puzzles for download and articles on crossword compiling. Accepts user submissions.

Primarily a dictionary site but also has the ability to do wildcard searches on the words it knows about.

Helps to solve crossword puzzle clues by suggesting possible solutions based on the letters you already know.

Solves crossword clues based on word length, known letters, and the category of the clue.

Provides many answers to current clues posed in crosswords puzzles across the nation.

Creates word search puzzles / word find games plus it prints color puzzles, makes java applets and exports wordsearch images.

Sudoku generator/solver/analyzer written in Java/Swing (English and German). Lots of human style techniques (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, ALS), powerful analyzer (manage multiple solutions for one sudoku).

Sidokus are musical sudokus, with musical notes instead of numbers and a hidden melody.

3D Sudoku program for Windows and Mac. Easy puzzles are free, others cost money.

A systematic method for solving the cube.

information, terminology, Java applets, tips on the physical and mental aspects of cubing, and a description of the Petrus method for solving a Rubik's Cube (solving by building "blocks").

An efficient method based on understanding rather than memorization.

Many free puzzles playable online, in three sizes: 4x4, 6x6, and 8x8, in three difficulty levels. Also has "no-op" puzzles (where the operator clue is not given).

Puzzles playable online, sizes 3x3 to 9x9, as well as tutorials and tips.

Comprehensive site with Killer Sudoku puzzles, variants, and solving strategies.

Chillicothe. Local agriculture and history park with a ten acre maze. Includes events calendar.

Coloma. Fall activities include hayrides, petting zoo, haunted schoolhouse, and a maze cut through five acres of cornfield. Farm offers u-pick fall fruit and a farm market.

Floral Park. Amaizing Maize Maze - a 2-acre interactive corn field adventure, magic shows, country western music and dance, and other family events.

Ballston Spa. Pumpkin patch, hayrides and Chicken Little corn maze.