Super 21by RealTime Gaming

If you're a fan of blackjack, you're sure to love Super21. It's a different kind of blackjack with different payouts for multicard 21's and a special payout for a Diamond Blackjack. If you're brave enough to keep hitting, you can win instantly with a six card hand. Doubling down is an option on your first cards. The player always win with blackjack.

Some softwares are known for graphics, some for sound, etc. RealTime's claim to fame is the speed of their games. If game speed is a priority, then RealTime is for you.