In line with our casino review methodology, we have taken a detailed look at RivalBet Casino and gave it an Above average Safety Index rating. The ship is immense, it is the only pirate ship not to feature an obvious pirate skull and crossbones' on the sails, we have naked (apparently). Therefore, it. In line with our casino review methodology, we have taken a detailed look at RivalBet Casino and gave it an Above average Safety Index rating. We've thoroughly reviewed RivalBet Casino and gave it an Above average Safety Index. . We have rated RivalBet as a good betting site which is generally a good site to enjoy, but there are some notes that you might need to pay. Therefore, it. We have rated RivalBet as a good betting site which is generally a good site to enjoy, but there are some notes that you might need to pay. It's generally a good casino to play at, but there are. It's generally a good casino to play at, but there are. We've thoroughly reviewed RivalBet Casino and gave it an Above average Safety Index.