No, you cannot draw 99 Uno cards in one turn.
No, you can only draw one Uno card per turn.
No, you cannot stack 4 cards in Uno to make another player draw even more cards. Only one 4 card can be played at a time, and the next player must draw four cards and forfeit their turn.
If you forget to say "UNO" when you have one card left, you must draw two cards as a penalty.
You put down one card each turn, unless told to draw a card or are skipped.
In the game of Uno, you say "Uno" when you have only one card left. If you forget to say "Uno" and another player catches you before the next player takes their turn, you must draw two penalty cards.
In Uno, players must say "Uno" when they have one card left. If a player forgets to say "Uno" and is caught by another player before the next player takes their turn, they must draw two penalty cards.
During your turn in Uno, you can put down one card.
No, in Uno, you can only play one card at a time during your turn.
In Uno Flip, the dark side cards have special meanings. The Draw 1 card makes the next player draw one card, the Draw 2 card makes the next player draw two cards, the Skip card skips the next player's turn, the Wild card allows the player to choose the color, and the Wild Draw 4 card makes the next player draw four cards and allows the player to choose the color.
In the game of UNO, you should say "UNO" when you have only one card left in your hand. This signals to the other players that you are close to winning. If you forget to say "UNO" and another player catches you before your next turn, you may have to draw extra cards as a penalty.
In the game of Uno, the penalty for not saying "uno" when you have only one card left is having to draw two additional cards as a consequence.
The uno rule that allows a player to play multiple cards of the same number in one turn is called the "stacking" rule.