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Level I Challenges

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Challenge "Original Caesar Cipher"
By: admin on Dec. 15, 2010, 2:50 a.m.
6
14283
By: newton  
Jan. 5, 2024, 10:27 a.m.
[  Go to the page:  1234,  …, 7  ]
Challenge "Caesar Encryption"
By: admin on Oct. 21, 2010, 4:26 p.m.
101
210986
By: newton  
Jan. 5, 2024, 10:27 a.m.
[  Go to the page:  12  ]
Challenge "Letter to the Templars — Part 1"
By: admin on July 16, 2012, 9:09 p.m.
17
23273
By: newton  
Dec. 30, 2023, 1:49 p.m.
[  Go to the page:  123  ]
Challenge "One-Time Pad with Flaws"
By: admin on Nov. 12, 2010, 3:26 p.m.
38
65246
By: csk98  
Dec. 28, 2023, 1:56 p.m.
13
16592
By: newton  
Nov. 20, 2023, 9:05 p.m.
Challenge "A disguised code"
By: admin on Oct. 31, 2023, 9:27 a.m.
0
585
By: admin  
Oct. 31, 2023, 9:27 a.m.
8
21228
By: newton  
Oct. 4, 2023, 2:07 p.m.
[  Go to the page:  123  ]
Challenge "Modified Caesar Cipher"
By: admin on Sept. 2, 2011, 1:03 p.m.
33
53609
By: newton  
July 3, 2023, 7:47 p.m.
Challenge "ADFGVX — Part 2"
By: admin on Aug. 15, 2011, 5:15 p.m.
9
22705
By: newton  
July 3, 2023, 12:59 p.m.
Challenge "ADFGVX — Part 1"
By: admin on Aug. 15, 2011, 5:12 p.m.
11
25573
By: adelj963  
July 2, 2023, 9:47 p.m.
[  Go to the page:  12  ]
Challenge "Music Code — Part 1"
By: admin on March 23, 2011, 2:02 p.m.
20
52303
By: newton  
April 3, 2023, 10:49 a.m.
1
914
By: jasiejames  
Feb. 5, 2023, 8:20 p.m.
[  Go to the page:  123  ]
Challenge "Kaskade-S/T — Part 1"
By: admin on March 4, 2011, 3:06 p.m.
38
50736
By: rwst  
Jan. 2, 2023, 9:16 a.m.
Challenge "The Last Note"
By: admin on Sept. 22, 2014, 10:13 p.m.
11
13350
By: newton  
Dec. 17, 2022, 7:52 p.m.
Challenge "Find the right route — Part 2"
By: admin on Dec. 19, 2020, 4:53 p.m.
5
2577
By: Integral  
Dec. 14, 2022, 7:03 p.m.
Challenge "The Syllabary Cipher -- Part 1"
By: admin on Oct. 28, 2022, 1:27 p.m.
0
774
By: admin  
Oct. 28, 2022, 1:27 p.m.
Challenge "Number Sequence"
By: admin on May 19, 2010, 10:05 a.m.
13
26281
By: puttputt86  
Sept. 20, 2022, 6:13 p.m.
3
3143
By: Konubixe  
Sept. 13, 2022, 10:10 p.m.
Challenge "From Russia with Love"
By: admin on Sept. 4, 2013, 4:30 p.m.
11
12268
By: newton  
Sept. 8, 2022, 9:44 a.m.
Challenge "Image Noise"
By: admin on Nov. 20, 2015, 8:26 p.m.
6
8797
By: Di-crypt  
Sept. 7, 2022, 5:24 a.m.

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