Hi Kid,
Sorry to hear you haven't been able to enjoy 2k13. Let's see if we can get this working for you.
To get a better idea of your network setup, please reply to the bold info below.
What Country/State/Province do you live in?
Modem brand & model number:
Router brand & model number:
If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter?
Things you have tried:
Is UPnP Enabled? Yes/no/Unknown
Do you have a NAT error? If so, what is your NAT type?
Any Error Codes you encounter:
Who is your ISP(Internet Service Provider)?
After you run "Test Xbox LIVE connection" press “Y” for "More Info”. In the pop-up that appears, what are the following values, if shown? (If a value below does not appear for you, just leave it blank.)
W:
X:
Y:
Z:
ID:
L:
Q:
T:
D:
S:
C:
