Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
47EnglishPolandSPOJ89349869461.04%50.00%25.00%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
97FrenchFranceÉnigmes À Thématiques186945552.62%50.00%50.00%Énigmes À Thématiques, c'est une nouvelle énigme inédite qui sort chaque jour dans des domaines aussi variés que...
15SlovakSlovakiaBrainQuest16426122113.08%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 Box7436928144.00%100.00%100.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
46FrenchFranceRoot-Me4730324396.99%66.67%78.12%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
4EnglishSingaporeRankk927335311.98%80.77%75.89%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
85EnglishCanadaRingZer0 Team Online CTF399833485.83%100.00%100.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
5EnglishUnited KingdomTheBlackSheep1279034212.96%75.00%63.04%This site offers challenges in almost any category from easy to difficult. It has a nice user-interface, including an...
95EnglishGermanyMysteryTwister62753410.61%50.00%50.00%MysteryTwister (MTC3) ===================== This time we are really happy to announce... that experts in the...
13SpanishSpainYashira44513067.18%54.17%58.33%Yashira es un sitio en español dedicado a retos informáticos,ciencias e ingenio.
10FrenchFranceNewbieContest5137730312.85%75.00%79.69%A french site which is not only focused on beginners. Challenge categories are cracking, crypto, hacking, Java/script,...
32EnglishUnited StatesHacker.org4824629221.50%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
22PolishPolandTDHack2335320213.93%45.00%42.50%TDHack (Think Devise Hack) is the first polish challenge site, launched in September 2004. The challenges cover a wide...
12EnglishSwitzerlandLOST-Chall732519913.60%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!
101FrenchFrancePyDéfis254919845.37%50.00%50.00%PyDéfis offers you small programming challenges (algorithms, computer science, graph theory, recursion, ...) in the...
49EnglishUnited KingdomRevolution Elite349519613.17%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
70EnglishUnited StatesOverTheWire.org-117416.41%66.94%96.95%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
99EnglishUnited KingdomCryptoHack2732015711.55%100.00%100.00%CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you...
1EnglishGermanyWeChall584101532.71%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
66GermanGermanyHacking-Challenges124714526.38%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
18EnglishUnited StatesHackThisSite3950010217.85%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 Wargame254310118.80%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...
48EnglishFranceW3Challs29615987.21%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
43FrenchFranceHackBBS312589118.19%75.00%60.00%Hack en situation réelle.
58EnglishUnited StatesValhalla293669112.28%56.25%100.00%Valhalla is a place for sharing knowledge and ideas. Valhalla allows users to submit code, as well as science,...
51KoreanKorea, Republic OfWebhacking.kr516207522.38%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
21EnglishIsraelTryThis0ne130587216.75%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
38EnglishNetherlands, Thelistbrain.tk86777114.55%58.33%68.75%Another english site
83EnglishKorea, Republic Ofpwnable.kr49237705.75%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
98EnglishAustralia247CTF8236678.97%87.50%100.00%247CTF is a security environment where hackers can test their abilities across a number of different challenge...
76EnglishUnited KingdomDefend the Web7390896026.84%50.00%87.50%An interactive security platform where you can learn and challenge your skills.
102EnglishBrazilPromptRiddle18355928.37%75.00%66.67%PromptRiddle is a fun prompt-based riddle website which requires thinking outside the box along with...
20SpanishSpainelhacker.net27447565.91%72.22%66.67%We now have site navigation in english and spanish (some tests are only available in spanish). Esta es un wargame, que...
52FrenchFranceµContest14645630.23%77.08%78.85%FRENCH/ENGLISH : µContest is a programming challenges website. The challs can be about cryptgraphy, algorithmic,...
30EnglishHungaryhax.tor.hu223115049.49%68.75%79.69%HaX.ToR.Hu is a challenge site putting emphasis on teaching basic security related issues in a fun way. Players get a...
96EnglishKorea, Republic OfLordofSQLi70454940.27%50.00%100.00%LoS provides 49 stepwise SQLinjection challenges. Challenges are about SQLinjection at mysql, sqlite, mssql, mongodb,...
63EnglishSpainYoire8434937.97%25.00%33.33%Wargame oriented site for having fun and learn hacking :)
89EnglishTaiwanpwnable.tw273704615.95%100.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
6EnglishUnited KingdomElectrica120254424.81%88.46%81.25%Reverse engineering, cryptography, maths, steganography challenges. Home of the challengers handbook.
19EnglishUnited StatesThisisLegal.com291134339.43%48.08%70.83%Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums and tutorials.
56KoreanKorea, Republic Ofwargame.kr160204222.00%75.00%75.00%this `wargame.kr` has challenges for web, system, reversing, etc.. i will trying to add more challenges, have a lotta...
82EnglishUnited Statesae27ff129864037.64%64.28%96.43%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
62KoreanKorea, Republic OfSuNiNaTaS128673248.31%50.00%100.00%SuNiNaTaS have 15 games : Web(8), Cracking(4), Forensic(3) Skill level is medium. We are good hackers.
24EnglishItaly+Ma's Reversing292122820.32%87.50%85.00%A game I hope you and I will enjoy, a source of information which can become useful for reversers, and a way to meet new...
103EnglishTunisiaPWN.TN3212822.94%50.00%50.00%PWN.TN is an educational and non commercial wargame. There is various IT security related challenges for fun and...
60EnglishKorea, Republic OfReversing.Kr258982750.92%50.00%50.00%This site tests your ability to Cracking & RCE (Reverse Code Engineering).
92EnglishGermanytry to decrypt9902340.74%83.33%100.00%Little game to train your brain - try to decrypt some texts in different levels from easy to hard. Can you enter the...
87EnglishArgentinaHacker Gateway78292361.50%50.00%62.50%The go-to place for hackers who want to put their skills to the test.
81EnglishKorea, Republic OfStereotyped Challenges27952231.87%50.00%100.00%"Stereotyped Challenges" provides advanced web-based security challenges that guides you to the latest trend of web...
73EnglishBelgiumTasteless-12148.69%100.00%100.00%Tasteless challenges, several levels that will test you in security and logical thinking
How to add other sites to WeChall
If you are a challenge site administrator, please read join.php.
If you want your favorite site to get added you can try to contact their admins.
Please do not post about WeChall in their public forums, instead write them an email or pm.