Build a deck of 30 cards on the spot and face your opponent to see who can come out on top. Exchange turns with your opponent, building up your own sustainability with Blue cards, unleashing an onslaught on your opponent with Red cards, or gather your forces for your next move with Yellow cards. Can't decide? Then combine these strategies using Secondary cards. The last player, who can still play wins. With only six types of cards, Primary is easy to learn but offers a unique depth of strategy allowing each player to adapt their own strategic approach.

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