When someone plays a 7, that player must swap hands with another player. A player that can't add to the stack must draw the total. Can only play a +2 on a +2 if holding a +2 and +4. If they are caught, your opponent must draw two cards! Otherwise, you'll draw 4 cards PLUS 2 extra cards!Ĭhallenge your opponent for not calling UNO. If you are right, this player must draw 4 cards instead of you. If you think the player who played a Draw 4 on you has a card of the matching color, you can challenge this player. Play this card to change the color to be matched. The next player must draw 2 cards and lose a turn.Ĭhanges the current color plus the next player must draw 4 cards and lose a turn. Don't forget to press '1' when you have one card remaining! Keep playing your cards until there is none left. Try to match the card on the table with the same number or color. Use your finger or left mouse button to play a card. Share it with your friends and play it online together! How to play Uno Online online? Use special cards to block your opponents, and clear your hand to win! Don't forget to say 'UNO' (press '1') whenever you have your last card at hand, otherwise you will be punished with two penalty cards. You can play Uno with 2, 3, or 4 players. Your main objective in Uno Online is to be the first player with no cards. Uno Online is a board game where you play the cards in your hand which match the pile by either color or number.