The free Vegas Strip Blackjack has a purple interface.
Switch Blackjack plays two hands of cards, allowed to exchange the second cards.
The Super Fun 21 Blackjack is a sweet little online blackjack.
Pontoon Blackjack is a variant of online blackjack, played widely in the world.
Perfect Pairs Blackjack is played with 4 decks of 52 cards.
Classic Blackjack at Blackjack Sys is a free for you to download and play.