You can get them here for free:
http://demonoid-invites-codes.blogspot.com/
Its like a lottery but its legit!
F**k OfF
you can get an invite code for demonoid.com and some others such as iptorrent at privatetrackers.jwnmedia.com. They are really nice people there and they have a nice fun forum with an arcade a shoutbox for immediate communication with members online. I got my invite code really fast there. http://privatetrackers.jwnmedia.com/
s3cr3t is the access code.
The 2012 access code is Missouri. Finally I figured it out!
what is an access code
00 is the international access code in the Netherlands. the Netherlands country code is 31
The level 11 access code is 575900.
On the main menu, you can click "access code" and enter the 6-digit code.
Code Division Multiple Access Code Division Multiple Access
The Access Code For Level 100 is 42680
Trying to find my access code on net spend debit carf
the access code is what code is on the back of the case. you need it to install it to your computer. without it the game won't work