All the Blackjack games are 21+3 and the optional +3 side wager pays 9 to 1 for a Flush, Straight, Three-Of-A-Kind, or a Straight Flush. You can win the +3 side wager by obtaining a qualifying hand with your first two cards and the dealer’s up card.
Six Deck Blackjack games pay 3 to 2 for a Blackjack. Double Deck Blackjack games for 6 to 5 for a Blackjack.