Face cards are worth 10 points each (Jack, Queen, King).Numbered cards are worth their face value (2 through 10).The main goal of 21 is to build a hand whose cards add up closer to 21 points than the dealer‘s hand, without going over 21. So let‘s get started! Here‘s how to play 21 head-to-head with a friend: Object of 21 Card Game Interesting facts, statistics, and variations.Step-by-step setup and gameplay instructions.Hi there! Have you ever wanted to learn how to play the classic card game 21 (also known as Blackjack) with just two players? Well, you‘ve come to the right place.Īs an experienced player and analyst of card games, I‘ve put together this comprehensive guide to walk you through everything you need to know to play a fun and exciting two-player game of 21.