The Super Fun 21 Blackjack is a sweet little online blackjack, because the game uses only 1 deck of 52 cards in the game. Blackjack pays1 to 1. But Diamond Blackjack pays 2 to 1. Player's hand value totals 20 or less and was made using six or more cards can beat Player's blackjack. Player's hand value totals 21 and was made with five cards or more pays 2 to 1. Player may re-split to up to four hands. But no re-split after splitting Aces. Double on 9, 10, 11 and Double allowed after splitting. Dealer should stand on all 17s. Follow the instructions, you may easily play the Super Fun 21 Blackjack at Blackjacksys.com. Blackjack practice software. And Free Super Fun 21 Blackjack download and flash game simulator is totally play for free, not for real money.