http://www.hackthissite.org
http://www.ngsec.com
http://www.try2hack.nl
http://www.hackerslab.org
http://www.slyfx.com
http://www.mod-x.co.uk
http://hackme.elderson.net
http://mindlock.bestweb.net/join.php
http://www.cyberarmy.com/zebulun/
http://www.roothack.org/
http://hack.datafort.net/
http://hacknull.com/
http://wargames.unix.se/
http://www.osix.net/
http://www.h4ckerx.ne
http://www.bright-shadows.net/
http://www.0penhack.com/
http://scifi.pages.at/hackits/
http://lightning.prohosting.com/~thegame/
http://www.hackquest.de/
http://www.hack4u.nl
Sebenernya ga mungkin klo mau nyobain semua.Tapi buat referensi aja.
Silahkan klo ada yang nambah.
Lengkapnya cek http://hackergames.net/