Below are screen shots from 7 blackjack variations offered by casinos powered by Microgaming Viper Software. This new 64-Bit software offers more games with better graphics, sound & animation ever seen in a Microgaming Online Casino (More about Microgaming). Online Blackjack varieties at Microgaming Viper Powered casinos include: Standard Blackjack, Multi-Hand Blackjack, Spanish Blackjack, Atlantic City Blackjack , Triple 7’s Progressive Blackjack, Vegas Downtown Blackjack and Vegas Strip Blackjack. In most cases Viper Powered casinos feature over 90 games in total. Please use the drop box below to select a Viper Powered casino to Play at.