Cryptography Brain Teasers
Cryptography teasers are phrases, expressions, quotes or lists that have been encoded in some way (frequently replacing letters with other letters, although other methods are acceptable). You need to figure out the encoding method and then decode the message to find the answer. Cryptography teasers generally fall into three categories, Cryptograms, Cryptolists and Cryptomath.
Brain Teasers
| Title | Popularity | Difficulty | Submitted |
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| 631 | Still Within Limits | 08/04/02 | by mad-ade | ||
| 632 | Usq... | 07/30/02 | by missie | ||
| 633 | Rlpqk | 07/30/02 | by missie | ||
| 634 | Vdga Wldyo | 07/30/02 | by missie | ||
| 635 | Duexlbjau | 07/30/02 | by missie | ||
| 636 | Catch-22 | 07/20/02 | by cornogeek | ||
| 637 | Bsfl vlr | 07/17/02 | by missie | ||
| 638 | Wddhel Jhqlv | 07/17/02 | by missie | ||
| 639 | What Colour | 07/01/02 | by mad-ade | ||
| 640 | Sexy | 07/01/02 | by mad-ade | ||
| 641 | Alphabet Letters | 06/23/02 | by mad-ade | ||
| 642 | Times Four | 06/01/02 | by mad-ade | ||
| 643 | Send More Money | 05/26/02 | by mad-ade | ||
| 644 | jtel apfjq ei fdiu | 02/19/02 | by --DarkMark-- | ||
| 645 | Challenging Cryptogram | 02/13/02 | by missie |


