Best and worst? And one/some where you took most of money?
Best one for me is fortunejack, primedice, directbet and i think i have lost most of money playing dice on primedice on early days. Also placed many sports bet on directbet, fortunejack is new one to me but i have already started loving playing on it.
For slot games, i will also prefer Fortunejack, Primedice, Rollins and Bitsler. I like to play slot games on these sites. You will get nice entertainment, and you will get many bonus offers. For example, Fortunejack will give 1000mBtc for 10 lucky members every day. It's not a small amount. And I will do sports betting in Directbet site.