Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
102EnglishBrazilPromptRiddle15765931.55%75.00%100.00%PromptRiddle is a fun prompt-based riddle website which requires thinking outside the box along with...
101FrenchFrancePyDéfis235818244.60%50.00%50.00%PyDéfis offers you small programming challenges (algorithms, computer science, graph theory, recursion, ...) in the...
99EnglishUnited KingdomCryptoHack1769614611.88%100.00%100.00%CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you...
98EnglishAustralia247CTF59476010.21%87.50%100.00%247CTF is a security environment where hackers can test their abilities across a number of different challenge...
97FrenchFranceÉnigmes À Thématiques179343503.45%50.00%50.00%Énigmes À Thématiques, c'est une nouvelle énigme inédite qui sort chaque jour dans des domaines aussi variés que...
96EnglishKorea, Republic OfLordofSQLi52304939.71%50.00%100.00%LoS provides 49 stepwise SQLinjection challenges. Challenges are about SQLinjection at mysql, sqlite, mssql, mongodb,...
95EnglishGermanyMysteryTwister60873330.59%50.00%50.00%MysteryTwister (MTC3) ===================== This time we are really happy to announce... that experts in the...
92EnglishGermanytry to decrypt9122340.64%75.00%100.00%Little game to train your brain - try to decrypt some texts in different levels from easy to hard. Can you enter the...
91EnglishUnited KingdomHack The Box5131086294.49%100.00%100.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
89EnglishTaiwanpwnable.tw261384615.87%100.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
87EnglishArgentinaHacker Gateway51372361.56%50.00%62.50%The go-to place for hackers who want to put their skills to the test.
85EnglishCanadaRingZer0 Team Online CTF381933475.89%50.00%50.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
84EnglishColombiaChallengeland18267013.67%50.00%50.00%Challengeland is a site of war games to learn and improve your hacking skills created by Redexel and Germanlm93
83EnglishKorea, Republic Ofpwnable.kr45948705.73%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
82EnglishUnited Statesae27ff116044036.68%64.28%96.43%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
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...
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!
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...
78EnglishUnited KingdomMod-X6853941.09%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...
76EnglishUnited KingdomDefend the Web7187376026.86%50.00%87.50%An interactive security platform where you can learn and challenge your skills.
73EnglishBelgiumTasteless-12149.08%100.00%100.00%Tasteless challenges, several levels that will test you in security and logical thinking
72EnglishFranceNo Such Con 2013000.00%50.00%50.00%The HES/NSC 2013 challenges. Still available thanks to Steven from overthewire.org!
70EnglishUnited StatesOverTheWire.org-117416.41%66.97%96.71%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
66GermanGermanyHacking-Challenges120014526.55%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
64EnglishUnited Stateswixxerd.com7479029.87%62.50%66.67%A collection of crackme's, hackme's, puzzles and games. Some are pretty simple, some... not so much...
63EnglishSpainYoire8324937.63%25.00%33.33%Wargame oriented site for having fun and learn hacking :)
62KoreanKorea, Republic OfSuNiNaTaS119123248.49%50.00%100.00%SuNiNaTaS have 15 games : Web(8), Cracking(4), Forensic(3) Skill level is medium. We are good hackers.
61EnglishGermanyRedTigers Hackit-11051.15%75.00%95.00%10 SQL Injection challenges. After the final level you can put yourself into the hall of fame. No registration possible.
60EnglishKorea, Republic OfReversing.Kr241072750.66%50.00%50.00%This site tests your ability to Cracking & RCE (Reverse Code Engineering).
58EnglishUnited StatesValhalla107109112.20%50.00%100.00%Valhalla is a place for sharing knowledge and ideas. Valhalla allows users to submit code, as well as science,...
56KoreanKorea, Republic Ofwargame.kr135754222.18%75.00%75.00%this `wargame.kr` has challenges for web, system, reversing, etc.. i will trying to add more challenges, have a lotta...
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...
52FrenchFranceµContest14095629.81%77.08%78.85%FRENCH/ENGLISH : µContest is a programming challenges website. The challs can be about cryptgraphy, algorithmic,...
51KoreanKorea, Republic OfWebhacking.kr476266139.69%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
49EnglishUnited KingdomRevolution Elite344619613.20%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
48FrenchFranceW3Challs28442987.25%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
47EnglishPolandSPOJ83974768601.07%50.00%25.00%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
46FrenchFranceRoot-Me4093434027.59%66.67%78.12%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
45EnglishPolandSecurity Traps16834827.12%100.00%100.00%The newest Polish professional challenge site. We focus on quality, difficulty and originality of the tasks, not...
43FrenchFranceHackBBS312589118.19%75.00%60.00%Hack en situation réelle.
40SpanishColombiaWorld of Wargame249210120.56%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...
38EnglishNetherlands, Thelistbrain.tk82177114.52%58.33%68.75%Another english site
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...
32EnglishUnited StatesHacker.org4815529221.48%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
30EnglishHungaryhax.tor.hu221625049.73%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...
24EnglishItaly+Ma's Reversing291212820.28%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...
22PolishPolandTDHack2330820213.88%45.00%42.50%TDHack (Think Devise Hack) is the first polish challenge site, launched in September 2004. The challenges cover a wide...
21EnglishIsraelTryThis0ne129917216.82%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
20SpanishSpainelhacker.net27217565.95%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...
19EnglishUnited StatesThisisLegal.com287184339.43%48.08%70.83%Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums and tutorials.
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.