No, you cannot put a wild card on a Draw 2 in the game of Uno.
No, a wild card cannot stop a Draw 2 in a game of Uno.
yes a wild card can stop a draw and or a draw four card
No, you cannot put a wild card on a Draw 4 card in Uno.
The action card "Wild Draw Four" was not part of the original Uno game.
Four
4
No, you cannot end a game of Uno with a Draw 4 card.
No, you do not have to play a Wild card in Uno to win the game.
No, you cannot stack a Draw 4 card on top of a Draw 2 card in the game of Uno.
Yes, the game of Uno can be ended on a special card called a "Wild Draw Four" card, which allows the player to choose the next color and forces the next player to draw four cards.
You can finish Uno with those
When a player plays a Wild Draw 4 card in Uno, they get to choose the color that play continues in, and the next player must draw four cards from the deck and skip their turn.