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Level I Challenges

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By: jrox on March 27, 2018, 4:01 a.m.
2
1679
By: rafaelot030  
March 31, 2019, 1:54 p.m.
[  Go to the page:  1, 2  ]
Challenge "Double Columnar Transposition"
By: admin on Oct. 12, 2011, 2:05 p.m.
20
47276
By: madness  
Feb. 27, 2019, 1:30 p.m.
Challenge "Turing Bombe Enigma I"
By: admin on Oct. 17, 2011, 6:36 p.m.
7
19084
By: silva  
Dec. 2, 2018, 2:07 p.m.
Challenge "A modified homophonic cipher with reduced alphabets — Part 2"
By: admin on Oct. 21, 2010, 4:22 p.m.
10
25917
By: Thalhammer  
Oct. 17, 2018, 5:58 p.m.
Challenge "Number Sequence — Part 7"
By: admin on March 23, 2015, 11:51 a.m.
6
7284
By: silva  
Oct. 8, 2018, 8:48 p.m.
Challenge "Letter from the Alleged Countess Julie von Ortenburg"
By: admin on May 7, 2010, 2:27 p.m.
8
23106
By: ExAstris  
May 30, 2018, 4:09 a.m.
Challenge "Reserve Hand Procedure — Part 1"
By: Javex on March 6, 2013, 9:17 p.m.
1
5659
By: ExAstris  
May 25, 2018, 12:48 a.m.
Modified Caesar Cipher
By: psychohasii on April 29, 2018, 12:25 p.m.
1
1220
By: AnLeRo  
May 23, 2018, midnight
Challenge "Number Sequence — Part 3"
By: admin on March 30, 2012, 10:50 p.m.
6
20198
By: MarquisDeSud  
Feb. 27, 2018, 12:20 p.m.
[  Go to the page:  1, 2  ]
Challenge "Monoalphabetic substitution with camouflage — Part 1"
By: admin on Oct. 27, 2011, 9:41 a.m.
28
41415
By: Theofanidis  
Jan. 30, 2018, 10:07 p.m.
Challenge "M-138 — Part 1"
By: admin on Aug. 22, 2014, 10:36 a.m.
4
9997
By: Theofanidis  
Jan. 13, 2018, 7:12 p.m.
Challenge "Original Caesar Cipher"
By: admin on Dec. 15, 2010, 2:50 a.m.
5
13914
By: be  
Oct. 22, 2017, 11:04 p.m.
Challenge "New Year's Greetings — Part 3"
By: admin on March 21, 2016, 9:59 a.m.
1
4219
By: D3d4lu5  
June 18, 2017, 2:14 p.m.
Challenge "The Book Code: A Challenge for Bookworms"
By: admin on March 21, 2012, 11:03 a.m.
14
30471
By: silva  
June 11, 2017, 10 p.m.
Gute Challangesfür blutigen Anfänger
By: trix0 on Nov. 15, 2016, 7:47 p.m.
1
2338
By: be  
Nov. 15, 2016, 9:56 p.m.
Challenge "Molehunt (Part 2/3)"
By: admin on Oct. 22, 2010, 4:05 p.m.
9
20686
By: Garnet  
June 2, 2016, 12:03 p.m.
Challenge "New Year's Greetings — Part 4"
By: admin on March 21, 2016, 10:02 a.m.
0
3842
By: admin  
March 21, 2016, 10:02 a.m.
Challenge "New Year's Greetings — Part 2"
By: admin on March 21, 2016, 9:55 a.m.
0
3750
By: admin  
March 21, 2016, 9:55 a.m.
Challenge "New Year's Greetings — Part 1"
By: admin on March 21, 2016, 9:48 a.m.
0
4321
By: admin  
March 21, 2016, 9:48 a.m.
Challenge "News from Castle Mansfeld"
By: admin on Nov. 13, 2015, 12:43 p.m.
9
9810
By: Yokozuna  
Nov. 20, 2015, 1:49 p.m.
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