By some measures Uno is the top-selling card or board game in the world. It’s seemingly showing up everywhere – thanks in part to dozens of new editions published by maker Mattel each year.

UNO is a card game played with a deck of numbered cards in red, blue, green and yellow. Use all your cards and call "UNO" when you have one left.

Imagine Uno No Mercy,” another wrote. Another added: “Dude me and my siblings would have started throwing hands.” Another commented: “Family game nights are about to get violent.” ...

Whether you believe UNO is one of the best card games ever or you’re just a casual player, you’ve probably gotten into some heated discussions about the rules of the game before. (We sure have ...

UNO domination isn’t just about Draw 2s, Skips and Reverses, but those cards definitely help. By Deb Amlen On most days, Ray Adler, the global head of games for Mattel, carries a deck of UNO ...