Blackjack, also known as the 21-year-old game, is one of the most popular card games in casinos around the world. At Dunder, you can play a variety of different versions of Blackjack online or on a webcam, including single-layer blackjack, multi-hand blackjack or blackjack with on-site dealers. When talking to a friendly customer support representative at Dunder recently, Emily couldn't confirm the total number of blackjack games because she said it depends on your region. However, she confirmed that there are many different variants available for the game, and blackjack fans will enjoy it.