The Tominoya Casino offers a very similar ambiance and feeling to a real world casino, with live music (a live DJ) and a casual layout for the tables. The house edge for Blackjack in Decentraland is 0.73%, currently the lowest of any betting games found in casinos in the world.
You can read and learn more about Blackjack in Decentraland and the rules at this link: https://docs.decentral.games/games/blackjack
You can learn more about the games the casinos offer at this link:
Want to get started playing in the casinos? Buy and deposit MANA or DAI into your account through this link: