account
challenge
contact
credit
hacker
links
stat
todo
wtf

Top Hackers
alucardo 354 points 100.00%
Anonr 354 points 100.00%
saiwa 354 points 100.00%
thefinder 354 points 100.00%
neoxquick 344 points 97.18%
livinskull 336 points 94.92%
tehron 335 points 94.63%
Akorlith 325 points 91.81%
rubiya 323 points 91.24%
madbat2 320 points 90.40%

New Hackers
Shadokin : What's that say? IV
suffering : A curious escape
pako : Selecting the right OS
PWNMACHINE936 : Selecting the right OS
totof8080 : I came, I saw, I encrypted
Anone : Rumplestiltskin

Partner Sites
Halls of Valhalla
Additional Challenge Sites
MysteryTwister with 325 challenges.
Revolution Elite with 195 challenges.
SPOJ with 6819 challenges.
SuNiNaTaS with 32 challenges.
NOE.systems with 19 challenges.
Updated on 10/26/20 4:13:24 AM UTC
It's only a game!

Research harder

phoenix1204 Score : 275 points 77.68% complete
Jump to charts

Challenge Difficulty Date
What's that say? III 		Just plain silly (1) 10/27/2012  12:53:42 PM
A curious escape 		Pretty dang easy (3) 10/27/2012  01:05:23 PM
Accessing routes 		Pretty dang easy (3) 10/27/2012  01:18:37 PM
Base 8^2 		Pretty dang easy (3) 10/27/2012  01:21:56 PM
Computer Talk 		Pretty dang easy (3) 10/27/2012  01:24:04 PM
Crackerjack Encryption 		Easy as pie (2) 10/27/2012  01:32:12 PM
Hashed 		Pretty dang easy (3) 10/27/2012  01:34:25 PM
Hop Skip and Jump 		Pretty dang easy (3) 10/27/2012  02:16:52 PM
I came, I saw, I encrypted 		Easy as pie (2) 10/27/2012  02:52:27 PM
Julius's Key 		Pretty dang easy (3) 10/27/2012  03:17:46 PM
More classical review 		Pretty dang easy (3) 10/27/2012  03:45:11 PM
New wave gibberish 		Easy as pie (2) 10/27/2012  03:51:15 PM
Oink Oink 		Pretty dang easy (3) 10/27/2012  04:03:03 PM
On the fence 		Pretty dang easy (3) 10/27/2012  04:12:05 PM
Play Fair! 		Pretty dang easy (3) 10/27/2012  04:15:53 PM
Return to sender 		Easy as pie (2) 10/27/2012  04:20:31 PM
Templar Decoder Ring 		Pretty dang easy (3) 10/27/2012  04:29:24 PM
The tools are out there 		Pretty dang easy (3) 10/27/2012  04:32:00 PM
World War I 		Pretty dang easy (3) 10/27/2012  05:02:03 PM
Classic Cipher Play I 		Moderate (5) 10/28/2012  03:23:36 AM
A different method 		Pretty dang easy (3) 10/28/2012  03:40:08 AM
Mixing up the classics 		Functioning brain required (4) 10/28/2012  04:09:26 AM
Classic Cipher Play II 		Functioning brain required (4) 10/28/2012  04:24:42 AM
Classic Cipher Play III 		Functioning brain required (4) 10/28/2012  05:02:03 AM
Encoding is not Encryption 		Functioning brain required (4) 10/28/2012  09:09:50 AM
Message for you sir! 		Functioning brain required (4) 10/28/2012  09:16:58 AM
World War I v.2.0 		Functioning brain required (4) 10/28/2012  08:21:53 PM
Wheel of Fortune 		Moderate (5) 10/28/2012  08:33:25 PM
Shifted 		Functioning brain required (4) 10/28/2012  08:46:25 PM
Acknowledging our forebears 		Requires skill (7) 10/29/2012  05:37:48 AM
Adjoined 		Pretty dang easy (3) 10/29/2012  02:31:49 PM
Calculate quickly 		Functioning brain required (4) 10/29/2012  03:51:42 PM
Digging Deeper 		Moderate (5) 10/29/2012  09:48:57 PM
Inserted 		Functioning brain required (4) 10/29/2012  09:58:55 PM
Making words out of numbers 		Moderate (5) 10/31/2012  08:15:54 PM
Parse it fast 		Moderate (5) 10/31/2012  08:29:49 PM
Pass, Fail or Skipped? 		Moderately difficult (6) 11/01/2012  04:57:13 PM
Reversing the application I 		Moderate (5) 11/01/2012  05:17:36 PM
Reversing the application II 		Moderate (5) 11/01/2012  07:10:35 PM
Reversing the application III 		Moderate (5) 11/01/2012  07:43:25 PM
Selecting the right OS 		Pretty dang easy (3) 11/01/2012  07:49:15 PM
Who's the custodian? 		Functioning brain required (4) 11/01/2012  08:02:52 PM
Javascript Entertainment 		Pretty dang easy (3) 11/01/2012  08:15:24 PM
Malformed 		Pretty dang easy (3) 11/01/2012  08:23:00 PM
Poking Around II 		Easy as pie (2) 11/01/2012  09:12:23 PM
Poking Around IV 		Pretty dang easy (3) 11/01/2012  09:15:32 PM
Poking Around VI 		Pretty dang easy (3) 11/02/2012  04:41:04 AM
Thin Air 		Functioning brain required (4) 11/02/2012  05:37:30 AM
Where ya coming from? 		Pretty dang easy (3) 11/02/2012  05:40:41 AM
Terminal Hacking 		Moderately difficult (6) 11/02/2012  04:54:57 PM
What's that say? I 		Just plain silly (1) 11/16/2012  03:27:14 AM
What's that say? II 		Just plain silly (1) 11/16/2012  03:29:12 AM
What's that say? IV 		Just plain silly (1) 11/16/2012  03:31:40 AM
What's that say? V 		Just plain silly (1) 11/16/2012  03:32:55 AM
Calculating the Combination 		Pretty dang easy (3) 11/16/2012  04:57:51 AM
Cartoon Arithmetic 		Functioning brain required (4) 11/16/2012  05:08:31 AM
Logic Cubed 		Pretty dang easy (3) 11/16/2012  05:14:08 AM
What goes there? 		Easy as pie (2) 11/16/2012  05:15:53 AM
Profiling Pieces 		Functioning brain required (4) 11/16/2012  06:35:12 AM
Resource Management 		Functioning brain required (4) 11/17/2012  03:17:29 AM
Searching for clues 		Functioning brain required (4) 11/17/2012  07:30:18 AM
Real Men of Genius I 		Pretty dang easy (3) 11/17/2012  09:48:48 AM
Real Men of Genius II 		Functioning brain required (4) 11/17/2012  09:54:42 AM
Pin-up Steganography 		Moderate (5) 11/17/2012  10:00:27 AM
Pin-up Steganography II 		Moderately difficult (6) 11/17/2012  10:04:22 AM
Stego-what? 		Functioning brain required (4) 11/17/2012  02:54:25 PM
Poking Around I 		Easy as pie (2) 11/17/2012  03:07:34 PM
Poking Around V 		Pretty dang easy (3) 11/17/2012  03:14:01 PM
Poking Around III 		Functioning brain required (4) 11/17/2012  03:55:29 PM
Craptcha I 		Pretty dang easy (3) 11/17/2012  04:15:56 PM
Craptcha II 		Moderate (5) 11/17/2012  05:00:52 PM
Craptcha III 		Moderately difficult (6) 11/17/2012  05:48:44 PM
Homebrewed 		Requires skill (7) 11/17/2012  07:26:07 PM
Logjam Disarray 		Moderately difficult (6) 11/17/2012  08:57:13 PM
Repetitive math 		Pretty dang easy (3) 11/18/2012  03:53:56 AM
K3 		Moderately difficult (6) 11/18/2012  07:09:53 PM
 
Score : 275 points 77.68% complete



Jump to top
Pseudo
  Pass

There are currently 90 challenges, with a maximum possible value of 354 points.

New Challenges
Rumplestiltskin
Unusual Translation
Hashed II
Beep Beep
JSON and the Argonauts III
JSON and the Argonauts II
JSON and the Argonauts I

Most Popular Challenges
What's that say? I
A curious escape
Computer Talk
Base 8^2
What's that say? III
I came, I saw, I encrypted
What goes there?

Member of The Internet Defense League

Care and feeding instructions