What about these, long list eh?
http://www.wechall.net/
http://www.bright-shadows.net/
http://www.rankk.org/
http://www.caesum.com/game
http://www.happy-security.de/
http://www.newbiecontest.org/
http://www.dareyourmind.net/
http://www.lost-chall.org/
http://www.yashira.org/
http://www.infomirmo.fr/
http://www.brainquest.sk/
http://www.net-force.nl/
http://thisislegal.com/
http://warzone.elhacker.net/
http://www.trythis0ne.com/
http://www.tdhack.com/
http://www.mibs-challenges.de/
http://3564020356.org/
http://sys.warchall.net/
http://hax.tor.hu/
http://www.hacker.org/
http://www.osix.net/
http://www.javaist.com/rosecode
http://www.cstutoringcenter.com/
http://listbrain.awardspace.biz/
http://www.astalavista.com/
http://www.tools-and-design.com/
http://hackbbs.org/
http://securitytraps.no-ip.org/
http://www.root-me.org/
http://www.spoj.pl/
http://sabrefilms.co.uk/revolutionelite
http://w3challs.com/
http://gekko.csokavar.hu/
http://webhacking.kr/
http://www.microcontest.com/
http://hack-me.org/
http://www.right-answer.net/
http://www.wargame.kr/
http://halls-of-valhalla.org/
http://hacking.allowed.org/
http://reversing.kr/
http://suninatas.com/
http://www.wixxerd.com/
http://canyouhack.it/
http://www.hacking-challenges.de/
http://2013.hackitoergosum.org/
https://redtiger.dyndns.org/hackit/