Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
45EnglishPolandSecurity Traps13664827.67%100.00%100.00%The newest Polish professional challenge site. We focus on quality, difficulty and originality of the tasks, not...
58EnglishUnited StatesValhalla36699112.97%50.00%100.00%Valhalla is a place for sharing knowledge and ideas. Valhalla allows users to submit code, as well as science,...
59EnglishAntarcticahacking.allowed.org384913.83%87.50%100.00%Your description is invalid. It has to be 12-4096 characters long.
62KoreanKorea, Republic OfSuNiNaTaS70803247.49%50.00%100.00%SuNiNaTaS have 15 games : Web(8), Cracking(4), Forensic(3) Skill level is medium. We are good hackers.
65EnglishUnited KingdomCanYouHack.It238509325.97%75.00%100.00%CanYouHack.It is a security based challenge site where members get to show of their skills, learn new ones and socialize...
73EnglishBelgiumTasteless-12144.33%100.00%100.00%Tasteless challenges, several levels that will test you in security and logical thinking
81EnglishKorea, Republic OfStereotyped Challenges17012125.34%100.00%100.00%"Stereotyped Challenges" provides advanced web-based security challenges that guides you to the latest trend of web...
92EnglishGermanytry to decrypt2402337.78%50.00%100.00%Little game to train your brain - try to decrypt some texts in different levels from easy to hard. Can you enter the...
83EnglishKorea, Republic Ofpwnable.kr20720665.62%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
89EnglishTaiwanpwnable.tw53883119.44%50.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
70EnglishUnited StatesOverTheWire.org-116619.86%72.37%97.92%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
82EnglishUnited Statesae27ff34114030.27%66.67%95.83%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
61EnglishGermanyRedTigers Hackit-11056.64%75.00%95.00%10 SQL Injection challenges. After the final level you can put yourself into the hall of fame. No registration possible.
48FrenchFranceW3Challs20069898.79%78.57%87.50%0% simulation & guessing. Hacking challenges only! Wargames (from classic linux/x86 to hardened kernel exploits),...
66GermanGermanyHacking-Challenges93614527.25%41.67%87.50%Hacking-Challenges is a german challenge site. In challenges from 8 categories, for example javascript, cryptography,...
74EnglishIrelandIRISSCON 2012 Lost Challenges4151359.57%50.00%87.50%This site includes the challenges I made for IRISSCON 2012 CTF. However due to the large number of submissions, these...
76EnglishUnited KingdomHackThis!!5173745531.80%50.00%87.50%Want to learn about hacking and network security? Find out how the most common hacks are performed.
24EnglishItaly+Ma's Reversing284392820.86%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...
32EnglishUnited StatesHacker.org4506329220.83%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
49EnglishUnited KingdomRevolution Elite201218014.07%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
51KoreanKorea, Republic OfWebhacking.kr241916642.50%70.00%83.33%Webhacking.kr has 58 challenge about webhacking. You can try various SQL INJECTION problem.
30EnglishHungaryhax.tor.hu204245049.08%68.75%80.00%HaX.ToR.Hu is a challenge site putting emphasis on teaching basic security related issues in a fun way. Players get a...
1EnglishGermanyWeChall373601433.30%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
10FrenchFranceNewbieContest4540028114.02%75.00%79.69%A french site which is not only focused on beginners. Challenge categories are cracking, crypto, hacking, Java/script,...
6EnglishUnited KingdomElectrica114244425.26%88.46%79.55%Reverse engineering, cryptography, maths, steganography challenges. Home of the challengers handbook.
52FrenchFranceµContest9785629.27%79.55%79.17%FRENCH/ENGLISH : µContest is a programming challenges website. The challs can be about cryptgraphy, algorithmic,...
25PolishPolandShow Your Skills324418611.92%84.09%77.27%sys.warchall.net is a polish website with a lot of challenges. You can find here hackmes, crackmes, cryptography...
4EnglishSingaporeRankk816032613.02%79.35%75.00%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
40SpanishColombiaWorld of Wargame211510126.27%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...
54KoreanKorea, Republic OfHack-Me137615319.75%75.00%75.00%Hack-Me is one of the best challenge site in south korea, launched in this month. The challenges cover a wide range of...
56KoreanKorea, Republic Ofwargame.kr62013533.53%75.00%75.00%this `wargame.kr` has challenges for web, system, reversing, etc.. i will trying to add more challenges, have a lotta...
57EnglishUnited StatesSecurity Override2195510333.05%50.00%75.00%Here at SecurityOverride, we offer pen-testing tutorials, hacking challenges, security articles, security forums,...
23GermanGermanyMiBs Challenges223015634.75%65.91%73.22%MiBs Challenges is a German riddle site started in 2005 with over 150 challenges in 9 categories including math,...
39EnglishSwitzerlandAstalavista28019915624.67%65.62%72.73%Astalavista.com - Home of the fiendish challenges
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...
35EnglishUnited Kingdomosix277524626.01%78.12%72.22%Home of the GEEK Challenges. We are a community of developers and IT enthusiasts interested in sharing ideas, writing...
36EnglishTurkeyRoseCode13064636.04%53.57%71.43%This site publishes mostly math based programming challenges. Other topics include Crypto, Brainfck, Hacking, and...
46FrenchFranceRoot-Me13032929111.05%60.00%70.83%Root Me allows everyone to test and improve their knowledge in computer security. Our community helps us maintain a...
16EnglishNetherlands, TheNet-Force320709530.80%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...
14FrenchFranceinfomirmo150320310.18%70.00%70.00%A new French site turned to the learning of the computing through the SOSI challenge. SOSI is a linear challenge with a...
19EnglishUnited StatesThisisLegal.com261984341.95%55.00%69.45%Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums and tutorials.
38EnglishNetherlands, Thelistbrain.tk19306615.93%58.33%68.75%Another english site
37EnglishUnited StatesCSTutoringCenter625934641.61%39.70%68.05%CSTutoringCenter.com provides many different kinds of challenges. You are free to solve them in any language and with...
18EnglishUnited StatesHackThisSite3950010219.35%63.23%67.65%Hack This Site is a free, safe and legal training ground for hackers to test and expand their hacking skills. More than...
20SpanishSpainelhacker.net26188566.04%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...
53EnglishUnited StatesEnigmaGroup4657118217.02%75.00%66.67%Since 2005, Enigma Group has been providing its members a legal and safe security resource where they can develop their...
64EnglishUnited Stateswixxerd.com6549030.93%62.50%66.67%A collection of crackme's, hackme's, puzzles and games. Some are pretty simple, some... not so much...
12EnglishSwitzerlandLOST-Chall352119913.91%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!
9GermanGermanyHappy-Security1496818325.90%63.33%66.07%Happy-Security is a german challenge site. {also translated in english} Beside the 'normal' challenge sections, there...
15SlovakSlovakiaBrainQuest15380114914.26%50.00%63.89%Brainquest is a slovak riddle site, focused on crypto, steganography and logics. Also there is an category Orbis pictis...
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.