Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
72EnglishFranceNo Such Con 2013000.00%50.00%50.00%The HES/NSC 2013 challenges. Still available thanks to Steven from overthewire.org!
95EnglishGermanyMysteryTwister124113670.45%50.00%50.00%MysteryTwister (MTC3) ===================== This time we are really happy to announce... that experts in the...
47EnglishPolandSPOJ112446469881.15%62.50%18.75%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
97FrenchFranceÉnigmes À Thématiques203954632.31%50.00%50.00%Énigmes À Thématiques, c'est une nouvelle énigme inédite qui sort chaque jour dans des domaines aussi variés que...
1EnglishGermanyWeChall662191802.48%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
91EnglishUnited KingdomHack The Box190047414832.84%87.50%100.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
85EnglishCanadaRingZer0 Team Online CTF485373915.52%100.00%100.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
46FrenchFranceRoot-Me6934135625.56%66.67%78.12%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
20SpanishSpainelhacker.net28171565.85%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...
83EnglishKorea, Republic Ofpwnable.kr61325705.99%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
13SpanishSpainYashira44953066.89%54.17%58.33%Yashira es un sitio en español dedicado a retos informáticos,ciencias e ingenio.
48EnglishFranceW3Challs32697986.96%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
98EnglishAustralia247CTF17689729.79%87.50%100.00%247CTF is a security environment where hackers can test their abilities across a number of different challenge...
4EnglishSingaporeRankk981435311.94%80.77%75.89%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
15SlovakSlovakiaBrainQuest17049129212.60%50.00%63.89%Brainquest is a slovak riddle site, focused on crypto, steganography and logics. Also there is an category Orbis pictis...
10FrenchFranceNewbieContest5425031012.90%75.00%79.69%A french site which is not only focused on beginners. Challenge categories are cracking, crypto, hacking, Java/script,...
5EnglishUnited KingdomTheBlackSheep1288534212.95%75.00%63.04%This site offers challenges in almost any category from easy to difficult. It has a nice user-interface, including an...
99EnglishUnited KingdomCryptoHack6817518213.15%100.00%100.00%CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you...
12EnglishSwitzerlandLOST-Chall1018219913.41%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 Elite369419813.50%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
22PolishPolandTDHack2328820213.99%45.00%42.50%TDHack (Think Devise Hack) is the first polish challenge site, launched in September 2004. The challenges cover a wide...
38EnglishNetherlands, Thelistbrain.tk94577114.42%58.33%68.75%Another english site
21EnglishIsraelTryThis0ne133187216.76%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
70EnglishUnited StatesOverTheWire.org1519317116.85%66.18%97.40%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
89EnglishTaiwanpwnable.tw327324618.27%100.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
43FrenchFranceHackBBS312589118.32%75.00%60.00%Hack en situation réelle.
40SpanishColombiaWorld of Wargame266510118.36%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...
103EnglishTunisiaPWN.TN15762819.22%50.00%50.00%PWN.TN is an educational and non commercial wargame. There is various IT security related challenges for fun and...
24EnglishItaly+Ma's Reversing295522819.92%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...
51KoreanKorea, Republic OfWebhacking.kr659798020.10%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
32EnglishUnited StatesHacker.org4977229221.30%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
18EnglishUnited StatesHackThisSite3950010223.61%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...
6EnglishUnited KingdomElectrica124244424.54%89.28%82.69%Reverse engineering, cryptography, maths, steganography challenges. Home of the challengers handbook.
104EnglishUnited Statespwn.college1440974025.47%41.67%91.67%pwn.college is an education platform for students (and other interested parties) to learn about, and practice, core...
76EnglishUnited KingdomDefend the Web8251676026.98%56.25%91.67%An interactive security platform where you can learn and challenge your skills.
102EnglishBrazilPromptRiddle28015927.20%75.00%66.67%PromptRiddle is a fun prompt-based riddle website which requires thinking outside the box along with...
66GermanGermanyHacking-Challenges132914527.22%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
16EnglishNetherlands, TheNet-Force387999530.77%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...
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...
101FrenchFrancePyDéfis395425837.91%50.00%100.00%PyDéfis offers you small programming challenges (algorithms, computer science, graph theory, recursion, ...) in the...
82EnglishUnited Statesae27ff187034038.99%64.28%96.43%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
19EnglishUnited StatesThisisLegal.com291134339.45%48.08%70.83%Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums and tutorials.
50EnglishHungaryGekkó12381040.38%62.50%56.25%You play the role of a special agent and help your boss, colleagues and friends to tackle down problems in various areas...
96EnglishKorea, Republic OfLordofSQLi152344940.44%50.00%100.00%LoS provides 49 stepwise SQLinjection challenges. Challenges are about SQLinjection at mysql, sqlite, mssql, mongodb,...
78EnglishUnited KingdomMod-X6827941.28%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...
92EnglishGermanytry to decrypt12682342.50%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...
79EnglishUnited KingdomOmega Project266744.91%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...
80EnglishUnited StatesDisavowed.net220646.47%50.00%50.00%One of the original challenges! Disavowed.net is once again available to play (hosted within Mod-X). Enjoy!
61EnglishGermanyRedTigers Hackit-11048.83%75.00%95.00%10 SQL Injection challenges. After the final level you can put yourself into the hall of fame. No registration possible.
30EnglishHungaryhax.tor.hu224265049.19%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...
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.