I've forward this information on to be looked into. To help us get some more information can you guys try refreshing your browser (Control key + F5) and try again to log in? If this doesn't work for you please submit a help request to me via: http://armorgames.com/contact (please use help as the type). This way I can follow up with you directly.
I'll also need to know the name of the game/url you are trying to access.
I hope that from the lack of follow ups, that you guys are all in game having fun! The team figured out what the cause was and has made some changes. You should now be able to log in without any further problems. If that isn't the case for you, please do use the web form to contact me directly. I'll work with you to get to the bottom of your login issue.
We are truly sorry for the frustration that you may have experienced today.