Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
47EnglishPolandSPOJ89662369471.04%50.00%25.00%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
91EnglishUnited KingdomHack The Box7522668153.99%100.00%100.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
76EnglishUnited KingdomDefend the Web7398486026.83%50.00%87.50%An interactive security platform where you can learn and challenge your skills.
46FrenchFranceRoot-Me4748734396.96%66.67%78.12%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
1EnglishGermanyWeChall584691532.71%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
51KoreanKorea, Republic OfWebhacking.kr517847522.38%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
10FrenchFranceNewbieContest5139730312.85%75.00%79.69%A french site which is not only focused on beginners. Challenge categories are cracking, crypto, hacking, Java/script,...
83EnglishKorea, Republic Ofpwnable.kr49293705.74%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
32EnglishUnited StatesHacker.org4824929221.50%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
85EnglishCanadaRingZer0 Team Online CTF400223485.82%100.00%100.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
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...
43FrenchFranceHackBBS312589118.19%75.00%60.00%Hack en situation réelle.
58EnglishUnited StatesValhalla303199112.30%56.25%100.00%Valhalla is a place for sharing knowledge and ideas. Valhalla allows users to submit code, as well as science,...
48EnglishFranceW3Challs29644987.21%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
24EnglishItaly+Ma's Reversing292172820.32%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...
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.
99EnglishUnited KingdomCryptoHack2770015711.55%100.00%100.00%CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you...
20SpanishSpainelhacker.net27452565.91%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...
89EnglishTaiwanpwnable.tw274264616.07%100.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
60EnglishKorea, Republic OfReversing.Kr259852751.02%50.00%50.00%This site tests your ability to Cracking & RCE (Reverse Code Engineering).
22PolishPolandTDHack2330320213.94%45.00%42.50%TDHack (Think Devise Hack) is the first polish challenge site, launched in September 2004. The challenges cover a wide...
30EnglishHungaryhax.tor.hu223155049.49%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...
15SlovakSlovakiaBrainQuest16427122113.09%50.00%63.89%Brainquest is a slovak riddle site, focused on crypto, steganography and logics. Also there is an category Orbis pictis...
56KoreanKorea, Republic Ofwargame.kr160544221.96%75.00%75.00%this `wargame.kr` has challenges for web, system, reversing, etc.. i will trying to add more challenges, have a lotta...
21EnglishIsraelTryThis0ne130587216.75%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
82EnglishUnited Statesae27ff130054037.64%64.28%96.43%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
62KoreanKorea, Republic OfSuNiNaTaS128763248.31%50.00%100.00%SuNiNaTaS have 15 games : Web(8), Cracking(4), Forensic(3) Skill level is medium. We are good hackers.
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...
6EnglishUnited KingdomElectrica120274424.81%88.46%81.25%Reverse engineering, cryptography, maths, steganography challenges. Home of the challengers handbook.
4EnglishSingaporeRankk927935311.98%80.77%75.89%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
38EnglishNetherlands, Thelistbrain.tk86777114.55%58.33%68.75%Another english site
98EnglishAustralia247CTF8236678.97%87.50%100.00%247CTF is a security environment where hackers can test their abilities across a number of different challenge...
87EnglishArgentinaHacker Gateway80022361.50%50.00%62.50%The go-to place for hackers who want to put their skills to the test.
12EnglishSwitzerlandLOST-Chall733919913.61%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!
96EnglishKorea, Republic OfLordofSQLi70644940.13%50.00%100.00%LoS provides 49 stepwise SQLinjection challenges. Challenges are about SQLinjection at mysql, sqlite, mssql, mongodb,...
78EnglishUnited KingdomMod-X6884941.19%66.67%75.00%Mod-X is a fictional online game. In Mod-X you will become one of the Mod-X 'agents' and have to solve any tasks that...
95EnglishGermanyMysteryTwister62803410.60%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.
49EnglishUnited KingdomRevolution Elite349519613.13%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
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...
101FrenchFrancePyDéfis256019845.53%50.00%50.00%PyDéfis offers you small programming challenges (algorithms, computer science, graph theory, recursion, ...) in the...
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...
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...
102EnglishBrazilPromptRiddle18385928.37%75.00%66.67%PromptRiddle is a fun prompt-based riddle website which requires thinking outside the box along with...
52FrenchFranceµContest14645630.23%77.08%78.85%FRENCH/ENGLISH : µContest is a programming challenges website. The challs can be about cryptgraphy, algorithmic,...
66GermanGermanyHacking-Challenges124714526.48%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
92EnglishGermanytry to decrypt9922340.98%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...
63EnglishSpainYoire8434937.97%25.00%33.33%Wargame oriented site for having fun and learn hacking :)
103EnglishTunisiaPWN.TN3292823.84%50.00%50.00%PWN.TN is an educational and non commercial wargame. There is various IT security related challenges for fun and...
79EnglishUnited KingdomOmega Project265744.91%50.00%50.00%The Omega Project is a new set of Mod-X challenges which have been designed to test many different skill areas and to...
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.