UNO Online UNO is a classic card game where the goal is to be the first to empty your hand. Match cards by color or number to play. Use special cards to block opponents. When you have one card left, press the "UNO" button to avoid a penalty. Suitable for all ages and easy to play. Play with friends or random opponents online. UNO was created by Merle Robbins in 1971 and is now owned by Mattel. The online version, introduced in 2009, lets you play in real-time against others. The player who discards all their cards first wins. Game Features: Competitive and strategic Suitable for kids, teenagers, and adults Easy to play Amazing graphics Instructions: Desktop: Click to select cards Mobile: Tap to select cards Sound and close buttons are in the top corners