They confidently play the one card that you all need them to play. Everyone wins. This game is about identifying colors and numbers, and while each suit does have indicators other than color (a ...
One of the great things about card games is that there are variations for any number of players, from one person to a big group. And those numbers might actually be more flexible than you think.
Some games, like Solitaire and Crazy Eights, can be adapted to use a smaller number of cards – just be sure to adjust the rules accordingly.