Play your hand at a game of poker at the onboard casino and you might end up collecting some serious winnings. Open to adults ages 18 and over. Stop by the slot machines and try your luck at possibly becoming the next big winner! Take a look at the different slot machines offered aboard our ships. Never been on a cruise and not sure how the casinos work on them? Do we have to bring cash? do we add credits on a card? do we take it off Carnival Casino Comps. Thread Tools Thread Tools Show Printable Version Email this Page. What is a Player Bank? Thanks for the info. Previous Next Casino Tournaments. Interested In Working With Us?