Do you think there are gambling games where you have to pay in bitcoins?

Of course there are sites where you can play with your bitcoins. You do not have to go far, here is https://bitcoincasinos.fi/ a popular site with bitcoin casinos. But the question is, why do you need it? Don't you need bitcoins and you're ready to give them to some casino?

Thanks for your opinion. It was very interesting and useful to read in this topic.

Yup, I played on this Finnish site. I like it.

You know, I have a little knowledge and experience in this topic. I have only been playing for a few months here at https://ice-casino-play.com/ and nothing more. But there are probably people here that know more than me and will help you with this question better. Anyway, good luck with searching for the strategy.