All sites listed on WeChall

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ID Language Site Users Challs Average Dif Fun Description
47EnglishPolandSPOJ82072868551.09%50.00%25.00%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
97FrenchFranceÉnigmes À Thématiques176742643.91%50.00%50.00%Énigmes À Thématiques, c'est une nouvelle énigme inédite qui sort chaque jour dans des domaines aussi variés que...
15SlovakSlovakiaBrainQuest16295122113.01%50.00%63.89%Brainquest is a slovak riddle site, focused on crypto, steganography and logics. Also there is an category Orbis pictis...
91EnglishUnited KingdomHack The Box4590426024.78%100.00%100.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
36EnglishTurkeyRoseCode15605764.86%53.57%71.43%This site publishes mostly math based programming challenges. Other topics include Crypto, Brainfck, Hacking, and...
46FrenchFranceRoot-Me3885863907.62%66.67%78.12%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
4EnglishSingaporeRankk912035011.97%80.77%75.89%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
37EnglishUnited StatesCSTutoringCenter625934642.18%39.70%68.05%CSTutoringCenter.com provides many different kinds of challenges. You are free to solve them in any language and with...
5EnglishUnited KingdomTheBlackSheep1267034212.92%75.00%63.04%This site offers challenges in almost any category from easy to difficult. It has a nice user-interface, including an...
85EnglishCanadaRingZer0 Team Online CTF374423395.65%50.00%50.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
95EnglishGermanyMysteryTwister59833280.60%50.00%50.00%MysteryTwister (MTC3) ===================== This time we are really happy to announce... that experts in the...
13SpanishSpainYashira44303067.20%54.17%58.33%Yashira es un sitio en español dedicado a retos informáticos,ciencias e ingenio.
10FrenchFranceNewbieContest5044129813.20%75.00%79.69%A french site which is not only focused on beginners. Challenge categories are cracking, crypto, hacking, Java/script,...
32EnglishUnited StatesHacker.org4808929221.38%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
55FrenchFranceRight-Answer128424319.33%39.29%53.12%This website want to make you think and learn in several chall spread over several categories such as logic,...
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...
22PolishPolandTDHack2329720213.83%45.00%42.50%TDHack (Think Devise Hack) is the first polish challenge site, launched in September 2004. The challenges cover a wide...
12EnglishSwitzerlandLOST-Chall609419913.59%63.04%66.31%A site based on the TV show Lost. Challenges range from easy to hard. Non-Lost fans will find this enjoyable too!
49EnglishUnited KingdomRevolution Elite342919613.23%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
11EnglishFranceDareYourMind69.23%56.67%More than 180 challs. Javascript, Cracking, Crypto, Stegano, Realistic challs (SQL, Authentication, ...), Logic,...
25PolishPolandShow Your Skills324418612.18%84.09%77.27%sys.warchall.net is a polish website with a lot of challenges. You can find here hackmes, crackmes, cryptography...
9GermanGermanyHappy-Security1170418325.81%63.33%66.07%Happy-Security is a german challenge site. {also translated in english} Beside the 'normal' challenge sections, there...
53EnglishUnited StatesEnigmaGroup4657118217.16%75.00%66.67%Since 2005, Enigma Group has been providing its members a legal and safe security resource where they can develop their...
101FrenchFrancePyDéfis224518249.67%50.00%50.00%PyDéfis offers you small programming challenges (algorithms, computer science, graph theory, recursion, ...) in the...
70EnglishUnited StatesOverTheWire.org-117417.29%66.97%96.62%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
23GermanGermanyMiBs Challenges223015635.00%65.91%73.22%MiBs Challenges is a German riddle site started in 2005 with over 150 challenges in 9 categories including math,...
39EnglishSwitzerlandAstalavista28019915624.95%65.62%72.73%Astalavista.com - Home of the fiendish challenges
1EnglishGermanyWeChall544551472.89%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
66GermanGermanyHacking-Challenges118114526.54%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
99EnglishUnited KingdomCryptoHack1517114012.07%100.00%100.00%CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you...
75GreekGreeceMathchall50.00%50.00%Mathchall is requiring the mind to use pure intelligence in the attainment of pure truth. ---Now you can maximize you...
57EnglishUnited StatesSecurity Override50.00%75.00%Here at SecurityOverride, we offer pen-testing tutorials, hacking challenges, security articles, security forums,...
18EnglishUnited StatesHackThisSite3950010217.91%58.82%70.59%Hack This Site is a free, safe and legal training ground for hackers to test and expand their hacking skills. More than...
40SpanishColombiaWorld of Wargame247710120.29%50.00%75.00%World of Wargame is a challenge site running from 2009 with more than a hundred challenges varying from easy to medium...
48FrenchFranceW3Challs28026987.28%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
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...
16EnglishNetherlands, TheNet-Force375259530.51%65.00%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...
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...
43FrenchFranceHackBBS312589118.19%75.00%60.00%Hack en situation réelle.
58EnglishUnited StatesValhalla92559112.20%50.00%100.00%Valhalla is a place for sharing knowledge and ideas. Valhalla allows users to submit code, as well as science,...
64EnglishUnited Stateswixxerd.com7419029.77%62.50%66.67%A collection of crackme's, hackme's, puzzles and games. Some are pretty simple, some... not so much...
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...
21EnglishIsraelTryThis0ne129537216.76%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
38EnglishNetherlands, Thelistbrain.tk79617114.59%58.33%68.75%Another english site
83EnglishKorea, Republic Ofpwnable.kr44679705.67%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
84EnglishColombiaChallengeland17947013.48%50.00%50.00%Challengeland is a site of war games to learn and improve your hacking skills created by Redexel and Germanlm93
93EnglishIndonesiaCTFS.ME106116310.41%50.00%50.00%Ctfs.me is a place where you can learn about various category of hacking everytime and get you skill increased.
33EnglishUnited StatesBlack Zero15456122.95%78.12%72.22%Black Zero is a new community of hacking, coding, and lock picking enthusiasts. The site offers over 50 interactive...
51KoreanKorea, Republic OfWebhacking.kr461086139.67%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
76EnglishUnited KingdomDefend the Web7105186026.82%50.00%87.50%An interactive security platform where you can learn and challenge your skills.
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