Drag one card at a time from your hand to the four discard piles in the middle. If the arrow under the deck is pointing up, place the card that is one value higher on top. If the arrow is pointing down, place the card that is one value lower on top.
Wild card - can placed on any card and any card can be placed on top of them Red card - reverse the direction of the deck Lightning card - bonus points if you place it on top of other lightning cards.
If the computer gets stuck, the "flip it" card will appear. Click it to put new cards on the four discard piles.
Get rid of all your cards before the computer does.