Participating Challenge Sites

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ID Language Site Users Challs Average Dif Fun Description
1EnglishGermanyWeChall418301453.05%80.77%79.69%WeChall is aiming to make a global ranking of challengers over multiple sites. It launched in january of 2008.
4EnglishSingaporeRankk844132712.84%79.35%75.00%Rankk's challenges are organised into levels from easy to difficult. The challenges are based on topics ranging from...
5EnglishUnited KingdomTheBlackSheep1267034212.87%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 KingdomElectrica115494425.04%88.46%79.55%Reverse engineering, cryptography, maths, steganography challenges. Home of the challengers handbook.
12EnglishSwitzerlandLOST-Chall347919913.80%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!
16EnglishNetherlands, TheNet-Force321599530.66%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...
18EnglishUnited StatesHackThisSite3950010218.83%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...
19EnglishUnited StatesThisisLegal.com268434341.91%48.08%70.83%Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums and tutorials.
21EnglishIsraelTryThis0ne125087217.14%45.00%50.00%Trythis0ne is a system of Hacking\Reversing\Encryption etc' challenges. Every challenge challenge the user in different...
24EnglishItaly+Ma's Reversing286672820.93%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...
30EnglishHungaryhax.tor.hu209065049.09%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...
32EnglishUnited StatesHacker.org4632729220.87%86.77%83.82%The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around...
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...
36EnglishTurkeyRoseCode13555175.46%53.57%71.43%This site publishes mostly math based programming challenges. Other topics include Crypto, Brainfck, Hacking, and...
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...
38EnglishNetherlands, Thelistbrain.tk35476615.88%58.33%68.75%Another english site
39EnglishSwitzerlandAstalavista28019915624.67%65.62%72.73%Astalavista.com - Home of the fiendish challenges
45EnglishPolandSecurity Traps14484827.40%100.00%100.00%The newest Polish professional challenge site. We focus on quality, difficulty and originality of the tasks, not...
47EnglishPolandSPOJ63791966581.10%50.00%25.00%SPOJ (Sphere Online Judge) is an online judge system with 2000 programming challenges. The solutions to challenges can...
49EnglishUnited KingdomRevolution Elite288418814.45%75.00%83.33%A site based on a detective theme which uses suspect elimination, clues, and more traditional challenge categories to...
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...
58EnglishUnited StatesValhalla40209112.47%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.org424913.27%87.50%100.00%Your description is invalid. It has to be 12-4096 characters long.
82EnglishUnited Statesae27ff51664032.85%64.28%96.43%Beginner to intermediate puzzles intended to hone user hunting and decoding skills used in Alternate Reality Games.
60EnglishKorea, Republic OfReversing.Kr157382745.68%50.00%50.00%This site tests your ability to Cracking & RCE (Reverse Code Engineering).
61EnglishGermanyRedTigers Hackit-11055.18%75.00%95.00%10 SQL Injection challenges. After the final level you can put yourself into the hall of fame. No registration possible.
63EnglishSpainYoire5714937.10%25.00%33.33%Wargame oriented site for having fun and learn hacking :)
64EnglishUnited Stateswixxerd.com6809030.80%62.50%66.67%A collection of crackme's, hackme's, puzzles and games. Some are pretty simple, some... not so much...
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-117418.79%72.62%98.22%The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of...
73EnglishBelgiumTasteless-12145.93%100.00%100.00%Tasteless challenges, several levels that will test you in security and logical thinking
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!!5779815531.46%50.00%87.50%Want to learn about hacking and network security? Find out how the most common hacks are performed.
78EnglishUnited KingdomMod-X6827941.00%62.50%62.50%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...
79EnglishUnited KingdomOmega Project264741.27%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.net213647.31%50.00%50.00%One of the original challenges! Disavowed.net is once again available to play (hosted within Mod-X). Enjoy!
81EnglishKorea, Republic OfStereotyped Challenges20552326.83%100.00%100.00%"Stereotyped Challenges" provides advanced web-based security challenges that guides you to the latest trend of web...
92EnglishGermanytry to decrypt4962337.41%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.kr27385705.29%75.00%100.00%'pwnable.kr' is a non-commercial [i]wargame site[/i] which provides various pwn challenges regarding system...
84EnglishColombiaChallengeland12837014.17%50.00%50.00%Challengeland is a site of war games to learn and improve your hacking skills created by Redexel and Germanlm93
85EnglishCanadaRingZer0 Team Online CTF253402966.15%50.00%50.00%RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through...
86EnglishKorea, Republic OfSolve Me12962221.87%50.00%50.00%This website provides an opportunity for you to test your knowledge and skills, in categories related to hack: Rev,...
87EnglishArgentinaHacker Gateway8712359.86%50.00%62.50%The go-to place for hackers who want to put their skills to the test.
89EnglishTaiwanpwnable.tw112443120.78%50.00%100.00%Pwnable.tw is a wargame site for hackers to test and expand their binary exploiting skills.
90EnglishPolandhackburger8021031.20%100.00%25.00%(mainly) web security challenges by Laboratorium EE.
91EnglishUnited KingdomHack The Box843882388.67%50.00%50.00%Hack The Box is an online platform allowing you to test your penetration testing skills and exchange ideas and...
93EnglishIndonesiaCTFS.ME9110638.74%50.00%50.00%Ctfs.me is a place where you can learn about various category of hacking everytime and get you skill increased.
94EnglishKorea, Republic OfCanHackMe6421112.09%50.00%50.00%This wargame offers the opportunity for to test your hack skills. Have fun challenges!
95EnglishGermanyMysteryTwister50672620.42%50.00%50.00%MysteryTwister (MTC3) ===================== This time we are really happy to announce... that experts in the...
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.