Challenge Site Graveyard

These sites were active in the past and are unfortunately no longer with us.
ID Language Site Users Challs Average Dif Fun Description
94EnglishKorea, Republic OfCanHackMe75.00%100.00%Have fun challenges!
93EnglishIndonesiaCTFS.ME50.00%50.00%Ctfs.me is a place where you can learn about various category of hacking everytime and get you skill increased.
90EnglishPolandhackburger100.00%50.00%(mainly) web security challenges by Laboratorium EE.
88KoreanKorea, Republic OfNOE.systems50.00%50.00%NOE.systems is a wargame site where you can practice a variety of hacking techniques related to information security in...
86EnglishKorea, Republic OfSolveMe50.00%50.00%I closed this wargame.
84EnglishColombiaChallengeland50.00%50.00%Challengeland is a site of war games to learn and improve your hacking skills created by Redexel and Germanlm93
77KoreanKorea, Republic OfCodeShell.kr50.00%50.00%This website provides various challenges that require computer hacking skills to solve. To solve a challenge, you'll...
75GreekGreeceMathchall50.00%50.00%Mathchall is requiring the mind to use pure intelligence in the attainment of pure truth. ---Now you can maximize you...
74EnglishIrelandIRISSCON 2012 Lost Challenges50.00%87.50%This site includes the challenges I made for IRISSCON 2012 CTF. However due to the large number of submissions, these...
65EnglishUnited KingdomCanYouHack.It75.00%100.00%CanYouHack.It is a security based challenge site where members get to show of their skills, learn new ones and socialize...
64EnglishUnited Stateswixxerd.com62.50%66.67%A collection of crackme's, hackme's, puzzles and games. Some are pretty simple, some... not so much...
59EnglishAntarcticahacking.allowed / thebackupbox87.50%100.00%Your description is invalid. It has to be 12-4096 characters long.
57EnglishUnited StatesSecurity Override50.00%75.00%Here at SecurityOverride, we offer pen-testing tutorials, hacking challenges, security articles, security forums,...
55FrenchFranceRight-Answer39.29%53.12%This website want to make you think and learn in several chall spread over several categories such as logic,...
54KoreanKorea, Republic OfHack-Me75.00%75.00%Hack-Me is one of the best challenge site in south korea, launched in this month. The challenges cover a wide range of...
50HungarianHungaryGekkó62.50%56.25%Now available in English and Hungarian. You play the role of a police agent and help your boss, colleagues and friends...
45EnglishPolandSecurity Traps100.00%100.00%The newest Polish professional challenge site. We focus on quality, difficulty and originality of the tasks, not...
42EnglishNetherlands, TheTHC Hack Challenges50.00%25.00%THC is a hack challenge and tournament site for newbies and more advanced hackers. You start off with the easier...
39EnglishSwitzerlandAstalavista65.62%72.73%Astalavista.com - Home of the fiendish challenges
37EnglishUnited StatesCSTutoringCenter39.70%68.05%CSTutoringCenter.com provides many different kinds of challenges. You are free to solve them in any language and with...
36EnglishTurkeyRoseCode53.57%71.43%This site publishes mostly math based programming challenges. Other topics include Crypto, Brainfck, Hacking, and...
35EnglishUnited Kingdomosix78.12%72.22%Home of the GEEK Challenges. We are a community of developers and IT enthusiasts interested in sharing ideas, writing...
33EnglishUnited StatesBlack Zero78.12%72.22%Black Zero is a new community of hacking, coding, and lock picking enthusiasts. The site offers over 50 interactive...
29EnglishGermanyHackits.de50.00%50.00%Hackits.de is currently under maintainance. Hopefully they will be back soon and support wechall script interaction
26EnglishJamaicathebackupbox72.92%79.69%Shell challenges.
25PolishPolandShow Your Skills84.09%77.27%sys.warchall.net is a polish website with a lot of challenges. You can find here hackmes, crackmes, cryptography...
23GermanGermanyMiBs Challenges65.91%73.22%MiBs Challenges is a German riddle site started in 2005 with over 150 challenges in 9 categories including math,...
17SpanishSpainHispabyte45.45%61.36%Wargame de Hispabyte, zona práctica de un sitio dedicado a la seguridad, informática y programación. Wargame of...
16EnglishNetherlands, TheNet-Force65.00%70.24%Net-Force has been around since 2002, starting off as a Dutch website. The site is now only in English and has a diverse...
14FrenchFranceinfomirmo70.00%70.00%A new French site turned to the learning of the computing through the SOSI challenge. SOSI is a linear challenge with a...
11EnglishFranceDareYourMind69.23%56.67%More than 180 challs. Javascript, Cracking, Crypto, Stegano, Realistic challs (SQL, Authentication, ...), Logic,...
9GermanGermanyHappy-Security63.33%66.07%Happy-Security is a german challenge site. {also translated in english} Beside the 'normal' challenge sections, there...
8EnglishUnited KingdomAspect v221.88%28.12%Aspect Version 2 is a challenge site with a real storyline. You have to solve the challenges in order to make your way...
2EnglishNetherlands, TheHackQuest70.59%76.39%Hackquest offers challenges from all kind of computer-sections The site keeps track of a users spent time on a...
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