No, you cannot stack a Skip card on top of another Skip card in Uno.
No, you cannot put a skip card on top of another skip card in Uno.
No, you cannot stack a Wild card on top of another Wild card in Uno.
No, you cannot stack a 2 card on top of a 4 card in the game of Uno.
No, you cannot end a game of Uno by playing a Skip card.
No, you cannot end the game of Uno by playing a skip card.
"Do you want to pass your turn by using a skip card in Uno?"
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, you cannot stack a Draw 2 card on top of a Draw 4 card in Uno.
No, you cannot stack a Draw 4 card on top of a Draw 2 card in Uno.
No, you cannot use a Uno reverse card to skip your turn in the game.
"Do you want to use the Uno Skip Turn card to pass your turn in the game?"