Twenty-One or 21

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Alternative term for “Blackjack.”

"Twenty-One" or "21" refers to a popular card game known as Blackjack. In this game, the objective is to beat the dealer by having a hand value that is closer to 21 than the dealer's hand without exceeding 21.

The game is typically played with one or more decks of standard playing cards. Each card has a specific value:

  • Number cards (2-10) are worth their face value.
  • Face cards (Kings, Queens, and Jacks) are worth 10 points.
  • Aces can be worth either 1 or 11 points, depending on which value benefits the hand more.

Players are dealt two cards and can choose to "hit" (take another card) or "stand" (keep their current hand). If a player's hand exceeds 21, they "bust" and lose the round. The game also includes options for doubling down, splitting pairs, and insurance bets, adding to its strategic depth.

Blackjack is widely played in casinos and is known for its blend of skill and chance.

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Nicola Davidson

Senior Casino Content Editor & Industry Researcher

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Nicola Davidson is a content writer with a focus in online gaming. With over 15 years of experience in the industry, she has extensive expertise in casino games, sports betting as well as emerging trends that pop up in the iGaming sector. Content is more than just information. It’s about creating an engaging experience for players. Nicola perfects this by writing reviews of new slot releases, a guide to betting strategies or cutting-edge industry news.