Uno is a popular card game that's easy to learn and suitable for players of all ages. It's estimated that around 80% of game-playing households have played Uno. The game is designed for 2 to 6 players ages 7 years and older. In Uno, players try to run out of cards first. The main characteristic of Uno is strategizing, which can inspire a lot of competition between players. - time management- players have a set amount of time to play or draw a card. - social skills- players learn to take turns, follow rules, and be a good winner or loser. - mental sharpness- players need to memorize rules and cards, and act quickly and strategically.