All or none is played with a deck of 81 cards. each card has four properties: color, count, fill, and shape. the goal is to find groups of three cards on which each individual feature will either all match, or all be different. all will match, or none will match. each feature must individually fit one of the options, shape must either be the same on all three cards, or different on all three cards. color must be the same on all three, or different on all three, etc. if only two cards match, the group is not proper, as all three are not the same, nor can all three be different.
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