An UNO game

In an UNO game, there are 56 cards and instructions.
1) 10 cards--numbers 0 to 9(red)
2) 10 cards--numbers 0 to 9(blue)
3) 10 cards--numbers 0 to 9(yellow)
4) 10 cards--numbers 0 to 9(green)
5) 4 skip cards
6) 2 draw four cards
7) 2 choose colour cards
8) 4 draw two cards
UNO cards can be used to play an UNO game, a stress game and a snap game.