Question: can i put a draw 2 on a draw 4?
Answer: Players are not allowed to stack Draw 2 and Draw 4 cards. If someone puts down a +4 card, you must draw 4 and your turn is skipped. You can't put down a +2 to make the next person Draw 6. ... Many avid UNO players were shocked by the revelation, with some saying they will continue to play by their own rules.