We here at bitcoingamer.com are proud of our games and would love to give you the opportunity to play for free. Please enter your email address below and submit. Within a few moments you will\ receive an email with a free-play code. Paste the free-play code into the Bitcoin address as you enter a game and you are good to go. You can even cash-out your free-play winnings and use them to try another game, just use the same code.
site link: http://www.bitcoingamer.com/