Answers :
Level 1 – null
Level 2 – l3l
Level 3 – #000000
Level 4 – http://www.hack-test.com/abrae.htm
Level 5 – SAvE-as hELpS a lOt
Level 6 – streetzkornerz
Level 7 – username : phat password : jerkybar3
Level 8 – username : zadmin password : stebbins
Level 9 – http://www.hack-test.com/phat.htm
Level 10 – http://www.hack-test.net/gazebruh.php
Level 11 – http://www.hack-test.net/rofl.php
Level 12 – http://www.hack-test.net/clipard.php
Level 13 – http://www.hackertest.net/puta.php
Level 14 – http://www.hackertest.net/4xml.php
Level 15 – http://www.hackertest.net/totally.php
Level 16 – http://www.hackertest.net/unavailable/Ducky.php
Level 17 – http://www.hackertest.net/level18.shtml
Level 18 – http://www.hackertest.net/level19.shtml
Level 19 – http://www.hackertest.net/gazebruh2.htm
Level 20 – http://www.hackertest.net/gb22332
Level 2 – l3l
Level 3 – #000000
Level 4 – http://www.hack-test.com/abrae.htm
Level 5 – SAvE-as hELpS a lOt
Level 6 – streetzkornerz
Level 7 – username : phat password : jerkybar3
Level 8 – username : zadmin password : stebbins
Level 9 – http://www.hack-test.com/phat.htm
Level 10 – http://www.hack-test.net/gazebruh.php
Level 11 – http://www.hack-test.net/rofl.php
Level 12 – http://www.hack-test.net/clipard.php
Level 13 – http://www.hackertest.net/puta.php
Level 14 – http://www.hackertest.net/4xml.php
Level 15 – http://www.hackertest.net/totally.php
Level 16 – http://www.hackertest.net/unavailable/Ducky.php
Level 17 – http://www.hackertest.net/level18.shtml
Level 18 – http://www.hackertest.net/level19.shtml
Level 19 – http://www.hackertest.net/gazebruh2.htm
Level 20 – http://www.hackertest.net/gb22332