MysteryTwister C3
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Level I Challenges (75)

Page 1 of the challenges in Level I, ordered by date posted (the most recent appear first).

Strange Message from Thessaloniki

[schroedel-05] - 37 users already solved this challenge, 5 are working on it.
 
 
 

This postcard from Thessaloniki was written in German in 1897. The encrypted text can either be considered as message from the sailor Fritz to his wife at home, or as a note regarding spionage activities. Can you determine the codeword that was used to request secret information?
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Published on: 2012-12-10 15:10
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#37) Achieved points (Global score) y-m-d - h:m:s

Hans Peter (hanspeter) 200 (48115) 2012-12-10 20:46:24
Viktor (Veselovský) 200 (113116) 2012-12-10 21:35:02
Armin Krauss (argh) 200 (155287) 2012-12-10 21:35:41
Bart den Hartog (Bart13) 200 (116412) 2012-12-11 00:52:40
#5 Kurt Gebauer (Yokozuna) 200 (120839) 2012-12-11 05:49:57
#6 J. M. (jomandi) 150 (113270) 2012-12-11 23:06:15
#7 Michael Möller (michaelm) 111 (118745) 2012-12-18 17:37:36
#8 Julia Werdelmann (jw) 110 (10407) 2012-12-19 23:41:46
#9 KW (qwer*) 104 (13753) 2013-01-06 20:23:30
#10 Kirill (ineaugh) 101 (1920) 2013-03-23 02:30:14
#11 Petra (humppapenguin) 101 (3872) 2013-03-27 10:37:25
#12 Bernhard Gruber (bgr) 101 (22631) 2013-04-21 01:54:49
#13 Paul Duplys (pd) 101 (1525) 2013-04-24 18:42:49
#14 Holti (Holti) 101 (6035) 2013-05-19 14:03:03
#15 Betty (St) 101 (101) 2013-05-21 00:21:04
#16 RPK (mysticraver) 101 (201) 2013-05-21 14:22:28
#17 Luigi Tomelli (archstanton) 100 (95549) 2013-07-08 09:27:05
#18 Em Doulgerakis (Greko) 100 (109970) 2013-09-16 15:40:47
#19 Snake (snk) 100 (51689) 2013-12-03 14:27:07
#20 Alain (Integral) 100 (198642) 2014-01-08 12:21:43
#21 Karl Schutt (günter) 100 (34469) 2014-05-03 00:18:29
#22 Julia Bernotat (El Greco ) 100 (81129) 2014-08-30 21:41:08
#23 Robert (rm) 100 (56012) 2014-09-25 19:30:16
#24 Francisco Moraes (fmoraes) 100 (90044) 2014-12-07 06:01:29
#25 HolgerK (HolgerK) 100 (23648) 2015-01-11 00:50:33
#26 Dusan (xxdradus) 100 (40134) 2015-01-13 12:25:22
#27 Tom Tox (tox) 100 (11752) 2015-02-19 11:50:09
#28 Andreas Frerichs (Ossili) 100 (33026) 2015-03-26 21:56:37
#29 Hans Joachim Girulat (joregi) 100 (28462) 2015-07-16 14:07:22
#30 Joerg G. (SnifferMaster) 100 (17225) 2015-10-11 18:29:06
#31 Rainer Zufall (kiekuk) 100 (42198) 2016-01-13 16:33:22
#32 j.h. (haegarq) 100 (11696) 2016-03-30 11:21:15
#33 Martin (martinbucher) 100 (22726) 2016-11-01 12:07:48
#34 Alain Collignon (vexilla72) 100 (51007) 2016-11-17 11:39:41
#35 Dominik M. (Sgt. Pepper) 100 (43997) 2017-04-01 23:15:41
#36 sarah b (silva) 100 (3502) 2017-05-20 20:18:33
#37 D3d4lu5 (D3d4lu5) 100 (57702) 2017-06-19 12:05:39
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   +++    [13:27 - 23.08.2017] tenchijin solved the Level II challenge 'Broadcasting and low exponent — RSA-Attack'    +++    [10:07 - 23.08.2017] nurnicu solved the Level I challenge 'Number Sequence — Part 2'    +++    [18:15 - 22.08.2017] D3d4lu5 solved the Level II challenge 'ASAC — A Strong(er) ADFGVX Cipher — Part 1'    +++    [18:13 - 22.08.2017] D3d4lu5 solved the Level II challenge 'Double Column Transposition — Part 3'    +++    [18:11 - 22.08.2017] D3d4lu5 solved the Level II challenge 'Double Column Transposition — Part 2'    +++