By , Mattel decided to market all of its preschool products under the Fisher-Price name. For the video game adaptation, see Uno video game.

There are also language-free versions of the newer styles that do not bear the word "Wild" but have the same styling. Attempts to reduce point count in a player's hands can be "read" by other players if too transparent.

Clarification can be found on the back of the SpongeBob metallic tin. If a player does not have a prince card in their hand, they must pick up cards until they find a prince card. A strategy at Uno may be offensive aiming to go out , or defensive aiming to minimize the value of one's hand, in the event that another player goes out, thus getting those points.