We have created the Unified Login System for all our online websites so you do not have remember a separate password for each of them.
If you are existing user, you can login into the Unified Login system using one of your existing accounts for any of our websites. Then you can merge here other accounts for other our websites together thus creating for yourself one unified login.
Your personal information will never be shared with 3rd parties and only used to communicate with you about your games and our services. If you have any questions about how your information is stored please contact firstname.lastname@example.org for details.