Once you have placed your bet, the dealer will deal out five cards to each player face down. You can bet anywhere from the minimum to the maximum amount allowed. The first thing you need to do when playing high card flush is to place your bet. The best hand you can have is a royal flush, which is when your cards are 10-J-Q-K-A of the same suit. A flush is when all five of your cards are of the same suit. The objective of the game is to have a higher flush than the dealer. High card flush is a popular casino game that can be played in both live and online casinos.