No, its against the rules.
No, you cannot put a wild card on a Draw 4 card in Uno.
No, you cannot put a wild card on a Draw 2 in the game of Uno.
No. The person who put down the wild card or draw four must still pick a color, the next player must still draw four and the game must continue on as usual. Hope this helped!
No, you cannot put a Draw 4 card on top of a Draw 2 card in Uno.
No, you cannot put a Draw 2 card on top of a Draw 4 card in Uno.
No, you cannot put a Draw 4 card on top of a Draw 2 card in Uno.
In Uno, you cannot put a Wild Card on top of another Wild Card.
No, you cannot put down a Draw 4 card on top of a Draw 2 card in the game.
In Uno, you cannot stack a Draw Four card on another Draw Four. When a Draw Four is played, the next player must draw four cards and forfeit their turn. However, house rules may vary, so it's always good to clarify the rules with your fellow players before starting the game.
No, you cannot put a Skip card on top of a Draw 2 card in Uno.
No, you cannot put a Skip card on top of a Draw 4 card in Uno.
No, in most card games, you cannot place a wild card on top of another wild card.