Check out TezDice, the only crypto gambling site that accepts Tezos! Our site was made to put users and bankrollers first, http://www.tezdice.com . It is a provably fair, Investment based bankroll gambling site thats super easy to use. Max Win Per One Bet is 550 Tezos! Current jackpot is 120 Tezos!
Talk about catering to a niche market, why would anybody care about playing with a particular cryptocurrency when most of the other dice sites feature a built-in exchange feature?
The site also has a terribly dated feel, maybe take a look at
luckydice.com and see how to design your website before launching it.