UNO Online is a strategy card game. In the game, the first player to clear his hand will become the winner. In order to win, you need to guess the deck of cards in your opponent's hands and arrange your card order reasonably. There are also function cards in the game. When you draw a function card, think about how to turn the situation to your advantage. You can use color cards to
change the color of the game, or use +2 cards to make your opponent's cards never run out.