: If either you or your partner empties your hand, your team wins.

Playing with only two people changes how Action Cards work. In a standard 2-player game:

: You can see your teammate's cards, allowing for "sacrifice plays" where you change the color specifically to help them get rid of their cards. Pro Tips for Winning

If you and your friend want to play together rather than against each other, the UNO!™ Mobile App is the best choice. In 2v2 mode:

: Offers a virtual tabletop experience without downloads. Simply create a private room and sync up with your partner. The 2-Player Rule Twist

: Even online, you must hit the "Uno" button when you have one card left. If your opponent catches you first, you’ll be forced to draw extra cards.