Namely, the house edge in Spanish 21 is always around 0.40%, which is not always the case with the standard variant. With such player-friendly circumstances, it is no wonder that a growing number of professional players are choosing Spanish blackjack. There are many reasons to justify this statement.įirst of all, the game offers a bigger and more sustainable RTP, decreasing thus the house edge. Nowadays, Spanish 21 boasts its precedence over any other blackjack variant. Spanish blackjack game first appeared under that name in 1995 making it the latest revival of the classic card game. The game was trademarked by Colorado-based gaming company Masque Publishing Inc. Instead, Twenty-One is the Hispanic variant coming from the United States. Contrary to popular belief, Spanish blackjack does not originate from that Southern European country.