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Level I Challenges (89)

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

The Book Code: A Challenge for Bookworms

[meier-03] - 141 users already solved this challenge, 25 are working on it.
 
 
 

In order to decrypt the intercepted letter addressed to your neighbor, you need to find out which document has been used to encode the message with the book code.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2012-03-21 11:02
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#141) Achieved points (Global score) y-m-d - h:m:s

Viktor (Veselovský) 200 (169444) 2012-03-21 14:09:53
Hans Peter (hanspeter) 200 (52356) 2012-03-21 16:45:18
Armin Krauss (argh) 200 (206965) 2012-03-21 18:35:26
Kurt Gebauer (Yokozuna) 200 (286256) 2012-03-21 18:40:55
#5 Seth Kintigh (DarkFibre) 200 (79471) 2012-03-21 19:27:53
#6 Nathan (Witten) 200 (25326) 2012-03-21 22:23:24
#7 J. M. (jomandi) 200 (113270) 2012-03-21 22:28:00
#8 dbuq (dbuq) 200 (22762) 2012-03-21 23:36:52
#9 Bart den Hartog (Bart13) 150 (150540) 2012-03-22 11:24:42
#10 Christof Kleber (Loki) 150 (6051) 2012-03-22 14:41:45
#11 Michael Gürtler (michaelg) 150 (4128) 2012-03-22 15:29:54
#12 Thomas Gonda (TomG) 133 (36291) 2012-03-23 13:28:37
#13 David (aki321) 133 (27482) 2012-03-23 21:46:41
#14 j.h. (haegarq) 117 (15452) 2012-03-27 10:52:16
#15 Dusan (xxdradus) 110 (40436) 2012-03-30 16:32:48
#16 Luigi Tomelli (archstanton) 108 (127538) 2012-04-03 08:49:02
#17 Paco (Methos259) 106 (106) 2012-04-06 00:12:27
#18 Kevin (0xf0unD) 106 (217) 2012-04-08 00:16:43
#19 Dustin Smith (dvst1n) 105 (415) 2012-04-09 20:33:17
#20 Wombat (Wombat) 104 (5822) 2012-04-12 15:05:47
#21 E.T (Ertheb) 104 (81809) 2012-04-12 18:31:21
#22 Aliazer (Aliazer) 104 (12521) 2012-04-13 12:07:24
#23 Sean Atkinson (Seanwatkinson) 104 (410) 2012-04-15 21:39:49
#24 H. Lautenschlager (helmi) 103 (57600) 2012-04-27 00:05:02
#25 Jarosław Szcześniewski (Zjarek) 103 (203) 2012-04-29 23:25:03
#26 Name (geekon) 103 (103) 2012-04-29 23:43:05
#27 Paul Duplys (pd) 102 (1525) 2012-05-02 23:32:59
#28 Christopher (nomadpenguin) 102 (202) 2012-05-03 02:40:10
#29 Christof B. (beans90) 102 (9488) 2012-05-05 22:30:09
#30 captp (bdcht) 102 (5864) 2012-05-08 23:11:26
#31 Bernd Klimaschewski (cryptonoob) 101 (1003) 2012-06-06 19:23:14
#32 Sebastian Slupina (Grandwizard) 101 (10866) 2012-07-13 01:27:07
#33 KW (qwer*) 101 (13963) 2012-08-04 19:47:22
#34 Max (131x) 101 (1659) 2012-08-13 14:28:00
#35 George (Theofanidis) 101 (137118) 2012-08-30 17:35:24
#36 Hank (hanky) 101 (24373) 2012-09-09 02:27:59
#37 chris_3stones (3stones) 101 (38945) 2012-09-11 07:47:24
#38 Martina (Nikita) 101 (3863) 2012-09-27 19:36:49
#39 Benny (Kingombo) 101 (3663) 2012-09-27 19:45:21
#40 Hannes (Hartmann) 100 (8680) 2012-10-15 23:09:57
#41 Harry (Schwabenbambi) 100 (2409) 2012-10-20 12:40:09
#42 Em Doulgerakis (Greko) 100 (193799) 2012-10-21 13:48:43
#43 George Ho (GeorgH) 100 (3095) 2012-12-02 10:05:09
#44 zahir mohsen moradi (ariobarzan) 100 (99757) 2013-01-26 20:05:58
#45 Snake (snk) 100 (187783) 2013-01-28 15:56:21
#46 Michal (misoxxx) 100 (1710) 2013-01-30 17:32:34
#47 Iain Sharp (WoodenHedgehog) 100 (2196) 2013-02-01 17:20:46
#48 RPH (derichard) 100 (27044) 2013-03-20 09:33:31
#49 Mayuresh Anand (effort2break) 100 (8728) 2013-03-23 15:34:35
#50 Kirill (ineaugh) 100 (1920) 2013-03-24 02:44:55
#51 Tom Tox (tox) 100 (17708) 2013-04-04 18:34:32
#52 mk (bilbobeutlin) 100 (12340) 2013-04-09 16:44:23
#53 Velko Nikolov (staafl) 100 (13467) 2013-04-10 10:03:57
#54 Julia Werdelmann (jw) 100 (10407) 2013-04-15 23:40:49
#55 Bernhard Gruber (bgr) 100 (22889) 2013-04-26 19:15:18
#56 Gabriel (mathgl24) 100 (2427) 2013-05-16 00:26:11
#57 Felix (Flix) 100 (13812) 2013-05-28 23:12:00
#58 Steve (Samacian) 100 (23915) 2013-06-10 12:23:14
#59 Bernd (BRK) 100 (2275) 2013-07-06 13:47:12
#60 Sascha (DoctorHell) 100 (1305) 2013-07-09 20:28:45
#61 Philipp Hammer-Pohlau (phase2) 100 (17981) 2013-07-28 20:08:20
#62 Hans Joachim Girulat (joregi) 100 (36278) 2013-08-05 20:30:49
#63 Boris (Kaasu) 100 (16566) 2013-10-28 18:17:27
#64 Brad (braddrew) 100 (15878) 2013-12-21 08:50:21
#65 Kim H. S. (tenchijin) 100 (25468) 2014-01-05 21:02:05
#66 Alain (Integral) 100 (207924) 2014-01-07 12:14:38
#67 Marcel (bene1512) 100 (20896) 2014-02-13 22:40:44
#68 Karl Schutt (günter) 100 (44374) 2014-03-27 21:55:54
#69 Diego (druk) 100 (800) 2014-03-30 18:12:30
#70 Lutz Sittinger (Kryptolutz) 100 (1802) 2014-06-01 17:20:09
#71 Tina (BTina) 100 (1500) 2014-06-01 20:29:47
#72 Julia Bernotat (El Greco ) 100 (81129) 2014-07-30 19:37:44
#73 Robert (rm) 100 (56475) 2014-07-31 22:35:44
#74 julius gaius (julius) 100 (25581) 2014-08-06 08:58:26
#75 Tim Fink (Magellan) 100 (4876) 2014-10-11 10:08:38
#76 Lane Williams (planetlane) 100 (34637) 2014-10-17 21:27:34
#77 Francisco Moraes (fmoraes) 100 (90044) 2014-11-18 21:07:25
#78 Pavel (haw) 100 (22728) 2014-12-05 14:26:01
#79 Michael Jeffrey (empjay) 100 (3104) 2014-12-12 15:23:16
#80 HolgerK (HolgerK) 100 (25776) 2014-12-22 23:42:32
#81 mirth23 (mirth23) 100 (7050) 2015-02-19 19:33:29
#82 micaman (micaman) 100 (4634) 2015-02-19 20:50:33
#83 Rainer Zufall (kiekuk) 100 (56786) 2015-02-26 09:16:06
#84 curmudgeon (curmudgeon) 100 (1973) 2015-03-23 08:08:14
#85 Andreas Frerichs (Ossili) 100 (33266) 2015-04-02 18:42:21
#86 partamier (yann) 100 (5635) 2015-05-15 16:37:47
#87 Michael Ammon (Ammonym) 100 (10120) 2015-06-19 17:41:21
#88 Mark van Heeswijk (markvh) 100 (2600) 2015-07-13 01:21:42
#89 Joerg G. (SnifferMaster) 100 (18376) 2015-09-30 09:25:00
#90 Alain Collignon (vexilla72) 100 (123666) 2015-10-01 15:37:32
#91 J-L Morel (Rossignol) 100 (42130) 2015-10-04 09:54:12
#92 S (Zyphe) 100 (13361) 2015-10-25 15:21:14
#93 Isabella (Isa) 100 (4235) 2015-11-01 19:20:08
#94 Andre Mueller (amueller) 100 (3315) 2015-12-14 21:01:39
#95 Corneli Keim (cryptina) 100 (703) 2015-12-19 21:43:50
#96 Imam Uasa (Merricx) 100 (9188) 2015-12-25 07:52:45
#97 Graham (graham107) 100 (400) 2016-01-07 22:29:27
#98 Szabó Zoltán (szabo.z87) 100 (55604) 2016-01-29 12:30:17
#99 Marco Manfredi (mkk9901) 100 (17686) 2016-03-08 17:41:00
#100 Kurona (Kurona) 100 (1100) 2016-05-31 10:55:50
#101 Robert Kosten (Robert Kosten) 100 (2724) 2016-09-09 13:10:28
#102 Norbert Biermann (Norbert) 100 (47790) 2016-09-18 22:27:24
#103 Nicolas (nicosPavlov) 100 (257791) 2016-10-01 16:21:01
#104 Bertold (bk) 100 (9773) 2016-10-01 18:01:40
#105 Simon Jakob (simon.jakob) 100 (18714) 2016-11-24 22:19:18
#106 Michael (FoM) 100 (58875) 2016-11-30 18:15:21
#107 Tristan1473 (Tristan1473) 100 (20432) 2017-02-05 19:15:50
#108 Mir Dim (mir0soft) 100 (79760) 2017-03-17 21:22:35
#109 chris (c2) 100 (51973) 2017-03-26 21:56:40
#110 Dominik M. (Sgt. Pepper) 100 (128575) 2017-04-02 16:59:32
#111 Daniel Walder (ibex) 100 (14672) 2017-04-28 10:51:07
#112 sarah b (silva) 100 (52424) 2017-06-07 18:34:09
#113 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-10 03:46:42
#114 Martin (Ehmpunkt) 100 (1100) 2017-08-31 17:13:56
#115 nimroth (nimroth cynthor) 100 (6021) 2017-11-27 22:10:43
#116 Dusan Djuric (flapjack) 100 (2104) 2018-02-03 11:27:58
#117 Julian (Lemmynator) 100 (20822) 2018-03-17 00:19:25
#118 Eric (ExAstris) 100 (56037) 2018-05-23 02:06:27
#119 Benjamin (200611736) 100 (10186) 2018-06-02 21:49:04
#120 Random Dude (rnd) 100 (103645) 2018-08-01 02:22:56
#121 Marc (rcll0891) 100 (24004) 2019-01-21 18:19:06
#122 Pierre Robier (tripleedged) 100 (5916) 2019-02-18 14:44:29
#123 LoneWolf219 (LoneWolf219) 100 (12795) 2019-03-10 23:54:05
#124 madness (madness) 100 (71592) 2019-04-07 17:55:41
#125 Jeff (Fountain) 100 (11472) 2019-05-27 02:35:17
#126 Mike (RogueRamblers) 100 (81614) 2019-05-29 01:18:33
#127 ajg (ludimus) 100 (12114) 2019-08-03 20:46:48
#128 Eugene (lim0n) 100 (199334) 2019-10-02 13:38:51
#129 Alain Terieur (Alain) 100 (6510) 2019-11-05 22:47:17
#130 0bliviate (0bliviate) 100 (8634) 2019-11-19 16:20:54
#131 Markus Schaufelberger (Ausdemwald) 100 (3191) 2019-12-19 11:53:01
#132 Antares (Antares) 100 (32880) 2020-02-21 14:10:27
#133 Benjamin Bartl (arenas) 100 (6347) 2020-07-12 22:19:38
#134 Polaris (Polaris) 100 (32963) 2020-08-07 18:33:41
#135 Anabel Roschmann (Beltiona Mousa) 100 (4919) 2020-12-17 05:35:57
#136 Jean-Francois (Muskrat) 100 (19013) 2021-01-19 12:01:45
#137 amir (V5November) 100 (13344) 2021-02-06 14:30:51
#138 th (demianvlk) 100 (2387) 2021-04-09 18:46:09
#139 Jericho (Jericho) 100 (13458) 2021-05-10 21:17:18
#140 gordon (sir5) 100 (16181) 2021-05-11 08:49:22
#141 Claus Appelt (Konubixe) 100 (9647) 2021-05-24 16:59:52
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