lv4:
view source --> form submited : http_docs/mail.html
view-source:http://www.hellboundhackers.org/challenges/real4/http_docs/mail.html
<form name="theForm" action="../main/mail.php" METHOD="POST">
<input type="hidden" name="required" value="'recipient,credit">

http://www.hellboundhackers.org/challenges/real4/main/
login page :
http://www.hellboundhackers.org/challenges/real4/main/Tlogin/index.php

lv10:
Description: Crack this hash: hbh:spnlhmTpnxYQ.
D:\kikicoco\Hacks\Tools\dicts\john>john -w:\kikicoco\Hacks\Tools\dicts\Wordlis
t.txt hbh.txt
Loaded 1 password hash (Traditional DES [24/32 4K])
website          (hbh)
guesses: 1  time: 0:00:00:19 100%  c/s: 166690  trying: website - wechsler

real 14:
Aldarhawks Flog
1. Donload Flog
2. Install
3. Check out directory
http://www.hellboundhackers.org/challenges/real14/data/users.0.dat
username    Administrator
password    d6a6bc0db10694a2d90e3a69648f3a03
rank    1
name    Aldar Hawk
email    ddowling2690@aol.com
url    http://myamazing-anti-hbh-flog/flog/
administrator.write.posts.markup    markdown_smartypants
administrator.write.posts.allowcomments    1
administrator.write.pages.markup    markdown_smartypants

Using cain to crack
Password :hacker