In the game of Hearts, the Queen of spades is usually considered an unlucky card. The player who ends up with the Queen of spades after a match scores 13 points (points are to be avoided in this game). The exception is when the player receives this card with all 13 hearts, in which the player is said to have shot the moon, and this player scores no points, while all opponents are scored 26 points.
In the game of Old Maid, while any card can technically be used for this purpose, the Queen of spades is traditionally used as a card that has no match, thereby making it the "old maid" card.
In tarot, the Queen of spades is considered to be a sign of intelligence. It is representative of judgment that is practical, logical, and intellectual. It represents a woman who is creative and makes her plans ahead of time.