- Edgar Allan Poe Cryptographic Challenge
Find information for "The Challenge Cryptograph" a 150-year-old cryptograph which may have been written by Poe. Includes details on how the cipher was solved and the mystery that still surrounds the puzzle.
www.bokler.com/eapoe.html
- American Cryptogram Association (2)
Find sites for the American Cryptogram Association (ACA), a non-profit organization dedicated to promoting the hobby and art of cryptanalysis, that is, learning to break ciphers.
dir.yahoo.com/.../Cryptograms/American_Cryptogram_Association
- Cryptographs
Puzzles featuring a quotation whose letters have been transposed and a portrait of the source or subject of the quotation.
www.cryptograph.com
- NOVA: Decoding Nazi Secrets
Learn how the Allies were able to crack codes produced by Enigma, a supposedly impenetrable German cipher machine, and thereby influence the course of WWII.
www.pbs.org/wgbh/nova/decoding
- Crypto Challenge
Featuring a software application used to substitute letters in cryptogram puzzles.
www.cryptochallenge.com
- DiscoverySchool.com: Puzzlemaker - Cryptograms
Use the Discovery School's Puzzlemaker to create your own cryptogram puzzles.
puzzlemaker.school.discovery.com/cryptogramSetUpForm.html
- Newspaper Cryptogram and Contest
Compete in three daily cryptogram puzzle contests from the Daily Cryptogram, a part of the Minneapolis Star and Tribune newspaper.
www.cahlander.com/crypto/today.cgi
- Cryptograms Weekly
Featuring weekly cryptogram puzzles about quotations, aphorisms, and the like. Includes FAQs, publication information, and an archive of previous puzzles.
www.cryptograms.ca
- Cryptograms
Featuring helpful hints and tips to solving cryptogram puzzles, with new puzzles to work on weekly. Includes an archive of answers to previous cryptograms, and an honor roll for expert solvers.
gidusko.tripod.com
- Brain Food: Cryptograms
Offering a collection of cryptogram puzzles that consist of encoded English sayings or quotations. Find hints and solutions for each puzzle.
www.rinkworks.com/brainfood/crypts.shtml
- CRpuzzles: Cryptograms
Offering classic cryptogram quote puzzles with an added challenge of deciphering the author's name from the cipher-quote letter pairs used to solve the puzzle.
www.crpuzzles.com/crypto
- All Star Puzzles: Cryptogram Puzzles
Featuring a large collection of cryptogram puzzles consisting of quotable quotes, hints, and a hidden author's name for each puzzle.
www.allstarpuzzles.com/cryptogram
- Cryptogram Game
Decipher a daily cryptogram puzzle or create your own. Includes hints for solving current puzzles. Requires Flash.
www.teppo.tv/cryptogram
- Literary Cryptograms
Each cryptogram puzzle features an encoded quotation from a literary work, that has been encrypted using a simple letter substitution code.
books.mirror.org/litcrypt/index.html
- Kidzone: Cryptogram Maker
Choose to solve a number of pre-made cryptograms or build your own cryptogram puzzle to challenge your friends.
www.kidzone.ws/puzzles/cryptogram
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