It do not matter if you play on the same computer or different computers. As long as you share the same internet connection, you will have the same IP. If you have more than one account on the same IP, you will need to request multiple household accounts.

As I understand you, you are in violation of our rules. Head on over to our support and place a ticket for multiple accounts. Remember to check your spam filter if you do not get a reply from us. Some mail providers report us as spam.