Mattel Games Liar’s UNO Card Game for Adults, Kids, Families, Parties & Game Nights, Travel Fun, Outwit Other Players with Bluffing & TrickeryIn Liar's UNO, lying isn't cheating it's part of the game! A Liar's Card is played face down, and the player must announce what it is. if caught in a lie, the liar must draw a card but if the suspected liar was telling the truth, their accuser must draw a card! Players try to bluff their way to victory, but when they have one card left, they still must yell "UNO!" Special graphic symbols added to each card help identify the color(s) on that card,