In three-card poker, the hand rankings differ from five-card poker hand rankings. The major difference is that all hands consist of a maximum of three cards. For example, a royal flush Ace, King, Queen, Jack, 10 in five-card poker, becomes Ace, King, Queen. Likewise, straight flushes, flushes and straights need only comprise three cards. Three Card Poker is not yet as common as slots, video poker or blackjack at online social casinos. Those that have the game will supply varying amounts of free credits. However, social casinos businesses, and they make money by selling you credits. If you run out of credits and want to keep playing, there is a charge. Poker Heat is a fun free-to-play option. Its claim to fame is its league-based competition. You’ll join one of seven leagues and then compete to see who can reach the top. It also features online play with friends or new players from all around the world. There are other minor features like the very user-friendly UI, graphics, and freebies that make the game fun, but the major part is those leagues. It’s a freemium game, which means you’ll have to wait for some free coins if you happen to run out.