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What is 4 Colors UNO?

4 Colors UNO is the popular online version of the classic card game UNO. It is a shedding-type card game where the objective is to be the first player to get rid of all the cards in their hand. The game uses a special deck of cards featuring four colors (Red, Yellow, Green, Blue) and various action cards that increase the fun and strategic complexity. It is known for its fast-paced gameplay and the requirement for players to shout "UNO" when they have only one card remaining.

How to Play 4 Colors UNO

Playing 4 Colors UNO is straightforward, but winning requires sharp observation and smart strategy. The game can be played by 2 to 4 players.

The Goal

Be the first player to successfully discard all the cards in your hand. The first player to reach a set score (usually achieved over multiple rounds) wins the overall game.

Basic Gameplay

The game starts with each player receiving seven cards. A discard pile is started with one face-up card from the deck. On your turn, you must match the top card of the discard pile by color, number, or symbol.

Matching Cards

Match by Number: Play a card with the same number (0-9) as the top card, regardless of color.

Match by Color: Play a card with the same color as the top card, regardless of number.

Match by Symbol: Play an Action or Wild card.

Action Cards

Skip: Skips the turn of the next player.

Reverse: Reverses the direction of play.

Draw Two (+2): The next player draws two cards and loses their turn.

Wild: Allows the player to change the color being played. Can be used anytime.

Wild Draw Four (+4): The next player draws four cards and loses their turn, and the current player chooses the new color. Can only be played if you don't have a card matching the current color.

Calling "UNO"

When a player plays their second-to-last card, leaving them with only one card, they must announce "UNO" immediately. If they are caught by another player before the next player takes their turn, they must draw penalty cards.

Frequently Asked Questions (FAQ)

Is 4 Colors UNO available to play online for free?

Yes, 4 Colors UNO is widely available as a free online game that can be played instantly in your web browser.

How many players can play 4 Colors UNO?

The game is typically played with 2 to 4 players, either against AI opponents or other human players online.

What is the penalty for not saying "UNO"?

If a player is caught not saying "UNO" when they have one card left, they must draw two penalty cards, often losing their chance to win that round.

Can I play a Wild Draw Four (+4) card at any time?

No, traditionally, the Wild Draw Four card is a challenge card and can only be legally played if you do not have a card in your hand matching the current color.

How is the scoring calculated at the end of a round?

The winner of the round scores points based on the cards remaining in their opponents' hands. Number cards are face value, Action cards are 20 points, and Wild cards are 50 points.

What happens if I cannot match the card in the discard pile? 

If you cannot match the color, number, or symbol of the top card, you must draw one card from the draw pile. If the drawn card is playable, you can play it immediately.

Can I play the online version against friends?

Many online versions of 4 Colors UNO feature a private room or custom game option that allows you to invite and play against your friends.

How do I start a match?

After opening the game, you typically choose a mode (e.g., Quick Play, Vs. AI, or Create Room) and click a 'Start' or 'Join' button.

Can I stack Draw Two (+2) cards?

Rules vary between versions, but in many online implementations, players are allowed to "stack" a Draw Two on another Draw Two, increasing the penalty for the next player.

Is the game the same as the physical UNO game?

Yes, the core rules, card types, and objective are identical to the classic physical UNO card game.

What are the four colors in the game?

The four main colors used in the deck are Red, Yellow, Green, and Blue.

What is the benefit of using a Reverse card?

The Reverse card is used strategically to change the flow of the game, either to get back to your turn faster or to skip a strong opponent.

How many cards are in the deck?

A standard UNO deck typically contains 108 cards, including the number cards and all the special Action and Wild cards.

How many rounds does a full game last?

A full game usually lasts until one player reaches a total accumulated score of 500 points, which often takes several rounds of play.

Is there a penalty for challenging a Wild Draw Four?

Some versions allow a player to challenge the Wild Draw Four if they suspect it was played illegally. If the challenge is successful, the player who played the Wild Draw Four draws the penalty cards.