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Challenges
  Title Topic Starter Replies Views Topic Info
Regular Can someone help me solve this?
zipple 2 327
May 28 2015, 04:11 AM
Last Post By: zipple
Regular Cipher w ctak
JOE.TEKK1 1 192
May 17 2015, 10:12 PM
Last Post By: JOE.TEKK1
Regular Cipher w CTAK and substitution alphabet
Same alphabet used in previous message.
JOE.TEKK1 0 266
May 17 2015, 02:09 PM
Last Post By: JOE.TEKK1
Regular Shift Cipher
JOE.TEKK1 0 214
May 17 2015, 01:59 PM
Last Post By: JOE.TEKK1
Regular Alphabetic Shift 0--9...
JOE.TEKK1 0 159
May 17 2015, 01:49 PM
Last Post By: JOE.TEKK1
Regular My Cipher Challenge
lvrizley 0 295
Apr 30 2015, 11:59 PM
Last Post By: lvrizley
Regular SMS coding
text to decrypt
Pohladnik 9 595
Apr 11 2015, 04:57 PM
Last Post By: JOE.TEKK1
Regular A little challenge...
more of an easy-peasy riddle than a challenge, actually
arlamn 0 249
Apr 1 2015, 09:08 PM
Last Post By: arlamn
Regular Can you crack the code?
sanzy 2 330
Mar 24 2015, 09:19 PM
Last Post By: sanzy
Regular Numeric OTP Message....Key later...
Message in challenge; key in later....
JOE.TEKK1 10 265
Mar 14 2015, 04:37 PM
Last Post By: JOE.TEKK1
Regular Lanchester
Revsied version of my virtual cipher machine
Innovationgame 9 293
Feb 26 2015, 03:59 PM
Last Post By: Innovationgame
Regular Mystery
?????
IAmNoOne247742 0 199
Feb 15 2015, 04:46 PM
Last Post By: IAmNoOne247742
Regular ADFGVX Challenges - second set - incomplete rectangles
ADFGVX challenges
George4096 3 1,404
Feb 5 2015, 12:20 PM
Last Post By: mosher
Regular My new virtual cipher machine
A challenge for real cryptologists
Innovationgame 10 1,085
Jan 31 2015, 12:53 PM
Last Post By: Innovationgame
Regular Unknown enigma
Not much experience. Need help to solve this
Jordy 3 197
Jan 29 2015, 02:56 AM
Last Post By: mosher
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