Best Flush is one of the Poker variations. Up to ten players can play the game at the same time. Each player gets 2 cards: one – face down and one – face up. The deal is followed by the bets. Then each player is dealt one more card. There are deals and betting rounds until each player has 5 cards. The last betting round is followed by the showdown. The player who has the strongest hand wins. Only Flushes or Straight Flushes may win. If no one has a Straight Flush, best Flush wins. If no one has a Flush, best Four-card Flush, Three card flush, or Two card flush wins.] Internet Straight Poker Flush.