Just as its predecessor did, Red Dead Redemption II provides players with plenty of opportunities to take a break from their gunfights and other tasks by participating in more relaxing, less demanding activities. While these activities often include fishing, hunting, foraging, and simply exploring, RDR players can also join classic table games like Poker, Blackjack, and Dominoes.
Source:https://www.cbr.com/rdr-2-dominoes-guide/