If you don't know how to play UNO, each player takes a turn matching a card from their hand to the card on the top of the discard pile, either by number, color, or symbol. If you don't have a match, you must draw a card from the draw pile.

The symbols represent the action cards, such as Wild, Skip, Wild Draw 2, Draw One, and Reverse. This version also includes a Flip card that turns the cards to the dark side, which has the following actions: Draw Five, Reverse, Skip Everyone, Wild, Wild Draw Color, and Flip.

When you play your next-to-last card, you must yell "UNO!" to indicate you only have one card left. If you don't yell "UNO" and someone catches you, you must draw two cards. Once a player runs out of cards, the round is over, and that player receives points for all of the cards left in their opponents' hands. Play until one player reaches 500 points.

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From the Publisher:
A Superhero themed math based standalone card game for ages 8 and up.

Villains lurk in the streets of Infinity City and the only hope is the Numbers League. Assemble your team of Superheroes, use the sum of their incredible powers and ingenious devices to capture as many villains as you can.

Numbers League - Adventures in Addiplication is a stand alone superhero themed card game where your basic math skills can save the day. The more you play the sharper these skills will become until no villain is safe from your numerical onslaught.

Included in the box are 24 double-sided Villain cards (different values on each side), 21 Device cards, 75 Superhero body part cards (25 heads, 25 chests, and 25 legs), four note pads and a 16-page full-color rules booklet with instructions in English, German, French, and Spanish.

Note
The current printing comes in a much smaller box, omitting the note pads and replacing the rule book with an English-only full-color trifold.

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