Learning how to play Gin Rummy takes about ten minutes, and once it clicks you will understand why this two-player classic has kept card tables busy since the 1900s. It rewards a little patience and a little nerve in equal measure: you are quietly assembling a tidy hand while watching your opponent for clues, and the moment you strike can swing the whole round. This guide starts at the very beginning and walks you through a full hand so nothing feels mysterious.

By the end you will know how the cards are dealt, what happens on a single turn, how to build the two kinds of melds, when to knock, and what it means to go gin. Then you can put it straight into practice against our computer opponent on the Gin Rummy table.

What you need to play Gin Rummy

Gin Rummy is a game for two players using a standard 52-card deck with the jokers removed. Card values matter, so learn them first: aces are low and worth 1 point, number cards are worth their face value (a 7 is 7 points), and the face cards — jack, queen, and king — are each worth 10 points. Suits have no ranking against each other; a spade is not better than a heart. These point values only come into play at the end of a hand, but they shape every decision you make along the way.

The deal

Pick a dealer any way you like — usually the loser of the previous hand deals. The dealer shuffles and gives ten cards to each player, one at a time, face down. The remaining cards form the stock pile, placed face down in the middle. The dealer then turns the top card of the stock face up and sets it beside the stock to start the discard pile. That single face-up card is called the upcard.

The non-dealer gets first refusal on that upcard. If they want it, they take it and discard something. If they pass, the dealer may take it. If both pass, the non-dealer draws the top card of the stock and normal play begins. This first-upcard ritual sounds fiddly, but online it is handled for you — you just decide yes or no.

The goal: melds and deadwood

Your aim is to arrange your ten cards into melds. There are exactly two kinds:

  • Sets — three or four cards of the same rank, such as 8♠ 8♥ 8♣.
  • Runs — three or more cards of the same suit in consecutive order, such as 4♦ 5♦ 6♦.

Any card that is not part of a meld is called deadwood, and its point value counts against you. The whole strategic tension of Gin Rummy is turning deadwood into melds fast, while keeping the total value of your leftover cards low in case your opponent ends the hand first.

Taking a turn

A turn has two simple steps that always happen in the same order:

  • Draw one card. You may take the face-up card on top of the discard pile, or the unknown top card of the stock. Take the discard only when it genuinely improves your hand — doing so tells your opponent exactly what you are collecting.
  • Discard one card. Choose a card you do not need and place it face up on the discard pile. You end every turn with ten cards again.

Play alternates, each of you drawing and discarding, slowly shaping your hand. As you go, watch what your opponent picks up and throws away. If they grab the 9♥, they may be building around nines or the heart run near it; you can then avoid feeding them useful cards.

Knocking: ending the hand

You do not have to meld every card to end a hand. As soon as your deadwood totals 10 points or less, you may knock. To knock, you complete your normal draw, then discard one card face down and lay your hand on the table arranged into melds with your deadwood shown separately.

Your opponent then reveals their hand. They may lay off deadwood by adding cards to your melds — for example, playing their 7♣ onto your run of 8♣ 9♣ 10♣ — to shrink their own count. Whatever deadwood each of you has left is totaled. If the knocker's deadwood is lower, the knocker scores the difference. But if the defender ties or beats the knocker's count, that is an undercut, and the defender scores the difference plus a 25-point bonus. Knocking with a count of 10 is risky for exactly this reason; many players wait until they can knock much lower.

Going gin

The cleanest finish is going gin: melding all ten of your cards so you have zero deadwood. When you go gin you knock as usual but with nothing left over, and you earn a 25-point gin bonus on top of your opponent's entire deadwood count. Crucially, an opponent cannot lay off against a gin hand, so their full deadwood counts against them. Going gin is the big-swing play, and it is deeply satisfying to pull off.

A worked example hand

Say you are dealt: 8♠ 8♥ 8♣ 4♦ 5♦ 6♦ K♣ K♥ 2♠ 9♦. You already have two melds — the set of eights and the diamond run 4-5-6 — which is six melded cards. Your deadwood is K♣ K♥ 2♠ 9♦, worth 10 + 10 + 1 + 9 = 30 points. Too high to knock, so you keep building.

Over the next few turns you draw a third king, the K♠. Now K♣ K♥ K♠ is a set, and your deadwood drops to just 2♠ and 9♦, worth 11 points — tantalizingly close. On your next turn you draw the 3♦. That extends your diamond run to 3-4-5-6 and lets you release the 9♦, leaving only the 2♠ as deadwood: 1 point. You knock, and unless your opponent undercuts you, that low count almost guarantees the round. Draw a 2 to pair off that last card and you would be gin.

A few beginner tips

Once the mechanics feel natural, a handful of habits will sharpen your play. First, favor keeping cards with more potential — a middle card like 7♥ can extend runs in two directions, while a king can only anchor a set or a king-high run, so let dead-end high cards go early to shed their heavy point value. Second, watch the discard pile as memory: every card thrown tells you what your opponent does not want and quietly narrows down what they are collecting. Third, do not fall in love with a hand — if you are sitting on 20 points of deadwood while your opponent draws freely, throw the loose picture cards now rather than get caught holding them in an undercut. Finally, treat the discard pile as a tool, not a trap: drawing from it is powerful but broadcasts your plan, so save it for cards that genuinely complete a meld.

Winning the game

Individual hands add up. Play continues, hand after hand, until one player reaches 100 points. Scores accumulate from knock differences, undercut bonuses, and gin bonuses, so a couple of clean gin hands can put you far ahead in a hurry. Many play with extra line and game bonuses too, but the core target is that first-to-100 finish line.

Play your first hand

Reading only gets you so far — the fastest way to learn how to play Gin Rummy is to deal a hand and try it. Head to our Gin Rummy game and play against the computer; it handles the deal, tracks deadwood, and lets you knock with one click, so you can focus on spotting melds. After a few rounds the rhythm of draw, plan, and knock becomes second nature. Once you are comfortable, explore cousins like Oklahoma Gin and Straight Gin for a fresh twist on the same skills.