Originally Posted by Zandel

I can confirm that this is INCORRECT, my FB and Nutaku are two different accounts and I had no issue getting this code.

Then it's somewhere in between, because *I* can confirm that the only Nutaku account I was able to use my code on was the one that had the same email address as the Facebook account from which I got the code. I tried using it on my main Nutaku account first and it wasn't valid. Then I tried it on the other and it worked.