As one of the most unique versions on our directory, Bitcoin Penguin has two different unique details that make it interesting: first of all you can pay with bitcoin money, second you can play anonymously, which means you can play without the need to register or leave any sort of information. These options make the whole process of playing much easier and much more practical as you will not have to waste time filling up pages of information, you will not be under the risk of having your personal data stolen or used by anyone else. It is a cool option for those who are looking for a quick shot.