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.

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 also stated that you can’t stack a Draw 4 UNO card on a Draw 2 either. The same goes for a Draw 2; you can’t stack another Draw 2 on top of it.

A new version of the classic card game Uno has been released and if the original didn’t end friendships, this one will. Deals of the Week. In the know quiz. Sign Up. Log In. My account.

Santana, who is a recent Texas State University graduate, has long loved Uno and other card games. She said her middle school self would spread cards across the lunch table and play with friends.

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.

In the time it took you to read that sentence, another deck of Uno was sold. The family-favorite card game has been around for 52 years — but it may be more popular than ever.