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UNO Online Multiplayer

UNO Online Multiplayer Description

Uno Online is an American shedding-type card game that is played with a specially printed deck. The game’s general principles put it into the Crazy Eights family of card games, and it is similar to the traditional European game Mau-Mau.

Official rules

The aim of the game is to be the first player to score 500 points, achieved (usually over several rounds of play) by being the first to play all of one’s own cards and scoring points for the cards still held by the other players.

The deck consists of 108 cards: four each of “Wild” and “Wild Draw Four,” and 25 each of four different colors (red, yellow, green, blue). Each color consists of one zero, two each of 1 through 9, and two each of “Skip,” “Draw Two,” and “Reverse.” These last three types are known as “action cards.”

To start a hand, seven cards are dealt to each player, and the top card of the remaining deck is flipped over and set aside to begin the discard pile. The player to the dealer’s left plays first unless the first card on the discard pile is an action or Wild card (see below). On a player’s turn, they must do one of the following:

  • play one card matching the discard in color, number, or symbol
  • play a Wild card, or a playable Wild Draw Four card (see restriction below)
  • draw the top card from the deck, then play it if possible

Cards are played by laying them face-up on top of the discard pile. Play proceeds clockwise around the table.

  • A player who draws from the deck must either play or keep that card and may play no other card from their hand on that turn.
  • A player may play a Wild card at any time, even if that player has other playable cards.
  • A player may play a Wild Draw Four card only if that player has no cards matching the current color. The player may have cards of a different color matching the current number or symbol or a Wild card and still play the Wild Draw Four card. A player who plays a Wild Draw Four may be challenged by the next player in sequence (see Penalties) to prove that their hand meets this condition.
  • If the entire deck is used during play, the top discard is set aside and the rest of the pile is shuffled to create a new deck. Play then proceeds normally.
  • It is illegal to trade cards of any sort with another player.

A player who plays their next-to-last-card must call “UNO Online” as a warning to the other players.

The first player to get rid of their last card (“going out”) wins the hand and scores points for the cards held by the other players. Number cards count their face value, all action cards count 20, and Wild and Wild Draw Four cards count 50. If a Draw Two or Wild Draw Four card is played to go out, the next player in the sequence must draw the appropriate number of cards before the score is tallied.

The first player to score 500 points wins the game.


  • If a player does not call “UNO Online” after laying down their next-to-last card and is caught before the next player in sequence takes a turn (i.e., plays a card from their hand, draws from the deck, or touches the discard pile), they must draw two cards as a penalty. If the player is not caught in time (subject to interpretation) or remembers to call “UNO Online” before being caught, they suffer no penalty.
  • If a player plays a Wild Draw Four card, the following player can challenge its use. The player who used the Wild Draw Four must privately show their hand to the challenging player, in order to demonstrate that they had no matching colored cards. If the challenge is correct, then the challenged player draws four cards instead. If the challenge is wrong, then the challenger must draw six cards; the four cards they were already required to draw plus two more cards.

Two-player game

In a two-player game, the Reverse card acts like a Skip card; when played, the other player misses a turn.

House rules

The following official house rules are suggested in the UNO Online rulebook, to alter the game:

  • Progressive UNO Online: If a draw card is played, and the following player has the same card, they can play that card and “stack” the penalty, which adds to the current penalty and passes it to the following player. (Although a +4 cannot be stacked on a +2, or vice versa.) This house rule is so commonly used that there was widespread Twitter surprise in 2019 when Mattel stated that stacking was not part of the standard rules of UNO Online.
  • Seven-O: When a 7 is played, the person who played may choose to swap their hand with that of another player. When a zero is played, all players pass their hands to the left.
  • Jump-In: If a player has exactly the same card (both number and color) as the top card of the discard pile, they may play it immediately, even if it is not their turn. The game then continues as if that player had just taken their turn.


A strategy at UNO Online may be offensive (aiming to go out), or defensive (aiming to minimize the value of one’s hand, in the event that another player goes out, thus getting those points). Part of the skill of playing UNO Online is knowing when to adopt an offensive or defensive strategy.

An offensive strategy would be holding on to Wild and Wild Draw Four cards because they can be played near the end of the hand in order to go out (when it’s harder to play a matching card). However, a defensive strategy would advise getting rid of such cards early, because they have a high point value.

A defensive strategy would advise playing a high card in order to reduce the point value of the hand. However, an offensive strategy would suggest playing a 0 when the player wants to continue on the current color, because it is less likely to be matched by another 0 of a different color (there is only one 0 of each color, but two of each 1–9).

A player holding only one card is required to call out “UNO Online” or risk being penalized if caught. A player who calls “UNO Online” risks being the target of concerted action by the other players, who may be able to use action cards to prevent that player from going out. Depending on the level and seriousness of play, some players may deliberately avoid saying “UNO Online”, in the hope of avoiding detection and then going out on the next turn. For this reason, it is useful to conceal how many cards are in one’s own hand and to keep track of how many cards every other player holds.

Little has been published on the optimal strategy for the game of UNO Online Multiplayer. Simulations of games may shed some light on the matter. Attempts to reduce point count in a player’s hands can be “read” by other players if too transparent. This information can be exploited by other players, and it follows that a mixed strategy may be more appropriate.

Card and deck styles

Modern UNO Online action cards bear symbols which denote their action, except for the Wild cards which still bear the word “Wild.” Before the design change, such cards in English versions of the game had letters only. Earlier English versions can be recognised by the absence of the white rim that surrounds the edge of most UNO Online cards.

Other versions of the game use symbols and images in both old and new designs, especially ones with Wild cards that do not bear the word “Wild”. There are also language-free versions of the newer styles that do not bear the word “Wild” but have the same styling.

The 2010 “UNO Online Mod” edition uses symbols instead of letters or numbers.

On September 16, 2017, Mattel released UNO Online® ColorADD, the first game designed specifically for those suffering from color blindness.

On October 1, 2019, Mattel released a Braille version of their game, with Mark Riccobono, President of the National Federation of the Blind, said in a press release, “The fact that a blind person is now able to play a classic game of UNO straight out of the box with both blind and sighted friends or family members is a truly meaningful moment for our community.

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UNO Online Multiplayer Tips & Tricks

1. Counting cards.

Counting cards is the process of keeping track of which cards have been played. By knowing this, you can expect which cards are to follow based on what has already been played. In order to count cards, you need to pay close attention. When you are counting cards, you will notice when another player is putting down many cards of the same color. When this happens, you need to change the color being played as they may be getting rid of their cards too quickly.

When players keep drawing on the same color card each turn, you should ensure that the color stays the same. This way, the player will need to keep drawing cards which will keep increasing their hand.

2. Quickly get rid of matched numbers in your hand.

You should aim to get rid of the numbers in your hand that match up as quickly as possible. What exactly does this mean? For instance, if you have a yellow 4, a green 4, and a red 4, get rid of at least 2 of them. This will mean that you have a great number choice to play instead of playing repetitive cards.

3. Try to keep your Wild Card until the very end.

In my experience, playing the Wild Card too early on in the game may be fun, as it makes your opponents sweat (and pick up cards of course), but it can also result in you ultimately losing the game. Try to keep your Wild Card for as long as possible. If you can, keep it right up until your very last card and then only play it.

The only time you should not keep the Wild Card until the end is if everyone else seems to be winning and you are losing. Then I would recommend using it so that you can get ahead and increase your chances of winning.

4. Avoid using the reverse card at the wrong time.

I learned the value of this particular tip and strategy the hard way. In my situation, the player before me put down a regular Wild Card (they had only one card left at the time), and then for some reason, I placed a reverse card down. What was the result? The previous player automatically won the game, much to my horror.

If the player before you has one card left and puts down a Wild Card, do not use a reverse card – rather hand onto it. This is the wrong time to play this card. What do you do if the reverse card is the only card you have to play? Pick up a card rather and hope that another player will change the color along the way.

5. Play series of similar color cards first.

If you want to get rid of your cards quickly, play all the same color cards first. This will whittle down your hand quickly and spur you on to a quicker win. Another great strategy to use that relates to playing same color cards is to select all the same color cards in your hand that actually prevent the next player from having a turn and playing them first. This means that you will use your draw 2 card, skip card, or reverse card first. This will undoubtedly upset the player next to you, but it will increase your chances of winning too.

6. Always change the color when playing a Wild Card +4.

Keep in mind that the other players will also be playing strategically. They will be watching your every move and trying to guess what color or type of cards you have left in your hand. If you use a Wild Card +4 and keep the color the same, you will be giving all the other players the answer to their question of “what card does he/she have left?”

You can be strategic and change the color of the round in hopes that another player will change the color back in an attempt to stump your win, thus ensuring your win.

7. Try to keep at least one +2 card in your hand.

It is tempting to want to load your hand with +2 cards, but do not do that if you want to increase your chances of winning. You might think that it ensures you can thwart other players from winning (which it can in some instances), but in reality, it will actually limit how you can play the game and might end up in you losing in the end. Keep some +2 cards handy, but keep a maximum of 2 in your hand.

8. Play higher number cards first.

When trying to decide which cards to play first, you might feel overwhelmed. Because of how the human brain has learned to count, it is natural to try to get rid of cards in some sort of chronological order, starting from the low numbers and working your way up. Avoid doing this.

Try to get rid of the 9’s first and then work your way down. In the case you don’t win, the lower the points in your hand, the fewer points the winner of that round gets. Also, when your hand is dominated by 0s and 1s towards the end of the game, other players will be less likely to be able to match your card number and change the color as they will probably have higher numbers in their hands. This is not guaranteed but is most likely.

9. Note the last card color when players have one card left and do not play it.

When a player calls Uno and has just one card left to play, watch them. Note the color of the card on the pile, and if they do not play, you know that they do not have that particular color card. This can happen a few times, so pay attention… and keep resorting to that last card color that they could not play.

In Closing

While Uno is a fun family game, if you are anything like me, winning is important. Of course, I will not lower my standards to cheating, but I will do whatever I can to ensure a win. I am ready to play hard, and I make no allowances or opportunities for others to win – if I can help it. That’s my competitive side coming out. If you are the same, you can really benefit from noting the tips above.

By making use of the above tips, tricks, and strategies, you can become a better Uno player and increase your overall chances of winning. Take your family by surprise the next time you play – show them your amazing new Uno skills.

UNO Online Multiplayer Image

UNO Online Multiplayer Walkthrough Video

About UNO Online Multiplayer

Screen Orientation Landscape
Controls Mouse for Desktop and Touchscreen for mobile
Developer Code This Lab
Publisher Crazy Games
Platform Web browser (desktop and mobile) IOS, Android
Release Date October 2020
Genre Card Game
Engine Html5
Mode Multiplayer, Singleplayer
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