10-20-30 is a solitaire card game that actually plays better on the computer than it does with real cards: the computer takes care of the frequent reformatting of the piles during play.``You start with 4 piles plus the deck, taking cards off in groups of three that add up to 10, 20 or 30.``Take cards off the top or the bottom, or a combination of the two, from the active pile.``Each time you move to the next pile a card is dealt to it.``Object of the game is to empty all the piles.
