Liar's Dice

Five dice are used per player with dice cups used for concealment.
Each round, each player rolls a "hand" of dice under their cup and looks at their hand while keeping it concealed from the other players. The first player begins bidding, announcing any face value and the minimum number of dice that the player believes are showing that value, under all of the cups in the game. ones are often wild, always counting as the face of the current bid.
Turns rotate among the players in a clockwise order. Each player has two choices during their turn: to make a higher bid, or challenge the previous bid – typically with a call of "liar". Raising the bid means either increasing the quantity, or the face value, or both, according to the specific bidding rules used.
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