• 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.