What if someone calls a false Uno?

There is no penalty for falsely calling UNO and while there are no rules in the instructions on yelling out the cards someone saw from a challenge, we don’t think it’s a nice thing to do.

Is there a penalty for saying Uno?

If you forget to say, UNO before your card touches the DISCARD pile, but you catch yourself before any other player catches you, you are safe and not subject to the 4- card penalty. You may not catch a player for failure to say “UNO!” until his/her second-to-last card touches the DISCARD pile.

What do you say when you win uno?

The moment a player has just one card they must yell “UNO!”. If they are caught not saying “Uno” by another player before any card has been played, the player must draw two new cards.

Can you hide your cards in UNO?

Except the “Uno”rule(You should call”Uno” when you have only one card left),you needn’t to show how many cards you have. However,you can’t hide you card,or misleading others about the number of the cards you have.

What is the longest round of Uno?

What we have currently is the longest marathon of a card game in 2011, which lasted for 170 hours, and was achieved by Axel Barth, Sarah Birke, Don Kalal, Michael Ott, Rudi Scheunemann, and Sebastian Stoehr while playing a German card game called Schafkopf.