It has been alfa-tested and we are positive it works correctly and can be played for real BTC.
Thank you for the idea though, when we have more new games we'll introduce free-play then.
By my understanding of "testing" new gambling sites, the host normally offers a small testing allowance so that the ones testing the site for the host's assurance that everything works perfectly don't lose their personal btc in which case they do find a flaw in the game.
just my .02