Uno Card Game Rules: How to Play and House Rules

The short version: Uno is played with a 108 card deck, seven cards dealt to each player, and the goal is simple: get rid of your cards first by matching colour or number. The official rules are shorter and stricter than most families realise, and almost every "house rule" you grew up with, from stacking Draw Twos to the 7-0 rule, isn't in the actual rulebook at all. Once you know which rules are official and which are made up, you can still play however you like, but at least the argument at the table becomes a choice instead of a mistake.

What's in the box and what you're trying to do

A standard Uno deck has 108 cards. That's 25 cards each in red, yellow, green and blue (nineteen numbered cards from 0 to 9, two each of Skip, Reverse and Draw Two), plus eight Wild cards and four Wild Draw Four cards. The object of the game is to be the first player to get rid of every card in your hand. You do that across as many rounds as it takes to hit a target score, usually 500 points, tallied from the cards left in opponents' hands at the end of each round.

Number cards are worth their face value. Draw Two, Reverse and Skip are worth 20 points each. Wild and Wild Draw Four are worth 50 points each. So the person who's stuck holding two Draw Fours and a Skip at the end of a round is handing their opponent 90 points for free, which is exactly why nobody wants to be caught with a full hand when someone else calls Uno.

How to play, step by step

• Shuffle the deck and deal seven cards to each player.
• Place the rest face down as the draw pile and flip the top card to start the discard pile.
• The player to the left of the dealer goes first, matching the top card by colour, number, or symbol.
• If you can't match, you draw one card from the draw pile. If that card can be played, you may play it immediately; if not, play passes to the next player.
• Action cards do what they say: Skip skips the next player, Reverse changes direction of play, Draw Two forces the next player to draw two cards and lose their turn.
• Wild cards can be played on any turn and let you choose the next colour. Wild Draw Four can only legally be played if you have no card in your hand matching the current colour, though in practice almost nobody enforces this.
• When you're down to one card, you must say "Uno" out loud. If another player catches you before your next turn and calls you out, you draw four penalty cards.
• Play continues until someone plays their last card. That player wins the round and scores points based on everyone else's remaining hands.

The bit almost everyone gets wrong

The Wild Draw Four "challenge" rule trips up more households than any other single rule. Officially, if a player plays a Wild Draw Four and you suspect they had a matching colour card and used it illegitimately, you can challenge them before drawing your four cards. The player must show their hand privately to the dealer. If they broke the rule, they draw four cards instead of you. If they played it legally, you draw four cards plus two more as a penalty for a false challenge. Almost nobody plays this part. Most tables just accept the Wild Draw Four at face value, which quietly removes an entire layer of strategy the designers built in.

Say you run a Sunday family game night with six players and a stack of Uno cards that's missing two green fours from years of use. Halfway through a round, someone plays a Wild Draw Four when they clearly have a blue seven in hand that could have matched the previous blue card. Nobody challenges it because nobody remembers that challenging is even a rule. That single missed rule changes the outcome of the round: the player who should have drawn four cards instead forces someone else to, and the score at the end swings by roughly 60 to 90 points depending on what that person was holding. Multiply that across a dozen rounds a year and you can see why some players always seem to win: they know a rule the rest of the table forgot existed.

The house rules nobody agrees on

This is where every Uno game either gets more fun or falls apart into an argument, and it's worth being honest that most families are playing a version of Uno that Mattel never wrote down.

• Stacking Draw Twos and Draw Fours. In huge numbers of households, if someone plays a Draw Two, you can play another Draw Two on top and pass the four-card penalty to the next player instead of drawing. Official Uno rules explicitly forbid this. It's popular because it feels dramatic, but it also means one unlucky player can end up drawing 12 or more cards in a single turn, which slows the game down and can make a round unwinnable for whoever's on the receiving end.
• The 7-0 rule. Playing a 7 lets you swap hands with any other player; playing a 0 means everyone passes their hand to the next player in the current direction. This is a fun variant and it's printed in some newer Uno rulebooks as an official option, but it's still optional, not core, so half the confusion is people arguing about whether it "counts."
• Jump-in rule. If you have the exact same card as the one just played, colour and number matching, you can play it out of turn, even if it isn't your go. This one is in some official variants too, but plenty of players insist it's cheating.
• No Reverse card in a two-player game. Some tables treat Reverse as a second Skip when there are only two players, since there's nowhere to reverse to. Others let it act as a free extra turn for the person who played it. Neither is official; you just have to agree before you deal.
• Drawing until you get a playable card. Some households make you keep drawing from the pile until you pull a card you can legally play. The real rule is you draw exactly one card and your turn ends there whether it's playable or not.

The uncomfortable truth is that most of these house rules exist because they make bad hands feel more dramatic, not because they make the game better. Stacking Draw cards in particular tends to punish whoever is already losing, turning a close game into a blowout, and it adds real time to a game that's designed to take about 15 to 20 minutes per round. If your games are regularly running past 40 minutes, stacking is almost always why.

Settling it before you play

The fastest way to stop the argument is to agree the ruleset out loud before the first card is dealt, not after someone's holding six penalty cards. Pick three things: are you stacking Draw cards, is 7-0 in play, and does jump-in count. Say them once, out loud, and you'll cut the mid-game disputes by more than half. It sounds like a small thing but it's the same reason board game groups write "house rules" on an index card and leave it in the box: memory is unreliable and everyone remembers the version that favoured them.

If Uno is your go-to for family nights, it sits well alongside other quick shedding games worth knowing, like Crazy Eights, which shares the same match-colour-or-number logic and works well as a warm-up before Uno. For something faster paced, Speed is worth teaching to the same group since it uses a similar deck logic but rewards reflexes over strategy. And if you're building a real games night lineup rather than a single round, our list of party games for adults and kids has other low-prep options that work for mixed ages, the same problem Uno solves so well.

Uno also travels better than most card games, which matters if you're stuck somewhere without a screen. It packs into a bag smaller than a phone and needs no internet, which is exactly the gap covered in our roundup of games to play on a plane without wifi.

Related guides live in the Free Games to Play Offline and Online: Every Guide in One Place (2026).

Frequently asked questions

How many cards do you start with in Uno?

Each player is dealt seven cards at the start of a round. The remaining cards form the draw pile, and the top card of that pile is flipped over to start the discard pile.

Can you stack Draw Two and Draw Four cards in Uno?

Not officially. Stacking is a widely used house rule, but the official rules say a player who is dealt a Draw Two or Draw Four must draw the cards and lose their turn rather than passing the penalty along by playing another Draw card.

What happens if you forget to say "Uno"?

If you're down to one card and don't say "Uno" before another player notices and calls you out before your next turn, you must draw four penalty cards. Once your next turn starts without being caught, you're safe.

Is the 7-0 rule official Uno?

It appears as an optional variant in some official Uno rulebooks but it isn't part of the core rules. Under 7-0, playing a 7 lets you swap hands with any player, and playing a 0 passes every player's hand along in the current direction of play.