*http://www.0penhack.com/ -- 0PENHACK by INFOHACKING

http://www.blind-dice.com/ -- Blind-Dice Internet Security, Network Security, Security Challenges, Web Site Security

http://www.dievo.org/ -- Digital Evolution - Unregulated knowledge is pornography

http://hackergames.net/ -- hackergames.net

http://www.hackerslab.org/eorg/ -- HackersLab

http://academy.dyndns.org/ -- hackit hackits hack it hack its star trek starfleet academy

http://hackme.elderson.net/ -- HackMe @ Elderson.net: Home

http://www.ralf-mengwasser.de/ -- HackQuest :: Learn about Hacking, Cracking, JavaScript, PHP, Cryptology and Password security

http://www.hackthissite.org/ -- Hack this site! Test your skills on these hacking challenges!

http://digitalparadox.org/ -- http://digitalparadox.org/

http://www.arcanum.co.nz/ -- http://www.arcanum.co.nz/

http://hacknull.com/ -- If $hack = NULL {

http://www.learntohack.org/ -- LTH: Hacking Challenges

http://m4tr1x.wsn.at/ -- M4TR1X MAINFRAME

http://mindlock.bestweb.net/challenges/ -- Mindlock Security Challenge - Main

http://quiz.ngsec.com/ -- Next Generation Security Technologies | ngGames | Game #1

http://www.osix.net/ -- Open Source Institute

http://www.roothack.org/ -- RH - Wargames

http://www.slyfx.com/ -- slyfx.com

http://www.bright-shadows.net/ -- TheBlacksheep at www.bright-shadows.net: Internet Security Challenges, Network security, Computer security - Community

http://vortex.labs.pulltheplug.com/ -- vortex.labs.pulltheplug.com

http://lightning.prohosting.com/%7Ethegame/ -- "Welcome to "The Game"

http://www.try2hack.nl/ -- ::[ www.try2hack.nl ]::

http://x-avier.com/ -- X-avier.com [ Control Your Future ]