Uno online is a popular 4-way cards game created. Play the cards in your hand which match the pile by either color or number. Use special cards to block your opponents, and clear your hand to win! Don't forget to say "UNO" whenever you have your last card at hand.
What are the official Uno rules?
Skip: The next player is "skipped".
Reverse: Reverses the direction of play.
Draw 2: The next player must draw 2 cards and lose a turn.
Draw 4: Changes the current color plus the next player must draw 4 cards and lose a turn.
Wild Card: Play this card to change the color to be matched.
Challenge Draw 4: If you think the player who played a Draw 4 on you has a card of the matching color, you can challenge this player. If you are right, this player must draw 4 cards instead of you. Otherwise, you'll draw 4 cards PLUS 2 extra cards!
Challenge UNO: Challenge your opponent for not calling UNO. If they are caught, your opponent must draw two cards!
Stack: +2 and +4 cards can be stacked. +2 can only be stacked on +2. Can only play a +2 on a +2 if holding a +2 and +4. A player that can't add to the stack must draw the total.
7-0: When someone plays a 7, that player must swap hands with another player. When anyone plays a 0, everyone rotates hands in the direction of play.
Force Play: If you draw a playable card, it will be played automatically.