Sp.A.I Windows game
Dystopia. A Cyberpunk Game for the Source Engine.
Hacker 2004 Digital Evil
Delve deep into the underground world of a computer hacker.
Hacker World Online - cybercritics
Hacking Challenges - Home
Good job, you've found it.
yoire.com - Bienvenido
Security Override - Hacking Challenges, Security Forum,...
Electrica the Puzzle Challenge
DareYourMind :: Learn about computer security and test your...
Hacker-Challenge :: hacking challenges. Enter the game to entertain your mind and progress in the computer security on DareYourMind.net!
TheBlacksheep at www.bright-shadows.net: Internet Security...
Net-Force | Home
ThisisLegal.com - Are You?
Welcome to Thisislegal, a hacker wargames site but also with much more - such as forums, tutorials and videos. The aim of the site is to help you improve as much as we can and also provide a community with a chance to chat. The site is also up for su...
+Ma's Reversing - main page
RoseCode - Math and Programming Challenges
C++ Tutoring,Java Tutoring,Programming Challenges,C++ Java...
NewbieContest : Challenge informatique francophone
Site de mirmo
Notpron by David M�nnich - The Hardest Riddle Available...
SkillBase | Wargames - Hacker Simulation Games, Challenges,...
CHC - Home
Hacker Rank :: Real World Programming Problems and Competitions...
The Honeynet Project: The Forensic Challenge
Global CyberLympics | The World's First International Team...
Professional Penetration Testing Media
The Hacker Games « Thoughts on Security
DVWA - Damn Vulnerable Web Application
Cyber Security Challenge
The UCSB iCTF
pwn0.com • the hacker playground
Zebulun CyberArmy Recruiting
Webmaster Hacking Script Test
Hack This Site!
HTS costs up to $300 a month to operate. We your help!
HAX.TOR :: Hacking Challenges - Free Shell Account
Open Source Institute
TryThis0ne - Hacking Challenges! TryThis0ne
hacker.org - The Hacker Community Online
[WeChall] About WeChall
The Python Challenge
Python Challenge home page, The most entertaining way to explore Python. Every puzzle can be solved by a bit of (python) programming.
SmashTheStack Wargaming Network
OverTheWire - Wargames
Newest version: 184.108.40.206 (Thu, 16 Aug 2012)