I have the most popular https://freebitco.in/ site I know. Do you have any site sites that you know are quality and reliable and have dice sites?
I want to play for fun in my free time?
Freebitcoin is not even a proper dice site. It's a faucet that offers dice gambling so users can lose their money after wasting their time on the site I want to play for fun in my free time?
Dice site that has the most wagered BTC is obviously Primedice. PD has been a reliable Bitcoin dice site for years. There should be no doubt on its fairness and honoring users withdrawal. They even have a history of paying a (turned out to be) cheater over 2,000 BTC because at that time they couldn't prove that the user is cheating.
My other favorite dice site, more of a black horse in the scene, is bustadice. The Busta gambling sites (bustabit, bustadice) was originally made by RHavar. He's very smart, innovative, and trusted in the community. Since last year, he has sold his ownership on both sites but IIRC he's one of key holder in their multisig cold wallet bankroll. What makes busta sites interesting are its investment option. For reference, bustadice has the most wagered over Nitrogensports and others in the past biweekly stats so yeah I think they will get more market shares in the future.
The house edge on freebitcoin is a bit high than other dice sites. I'm surprised people play dice on freebitcoin, maybe because of the faucet. I also play dice on nitrogensports, so far so good but i only like the sportsbetting there. Stake.com is a good dice site too.