Duck Dice, Stake.com, Prime Dice all run bitcoin faucets (free bitcoin) to try their bitcoin dice games out. All are fairly good game play, options for other games and don't have scam accusations from players all over.
There are a ton of bitcoin dice games because its so easy to throw up a dice website and try to get deposits, so rollers beware. You could be out your bitcoin if you go with some new thing that just popped up.
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