Solitaire (Klondike)

One 52-card deck, no jokers. The table has three areas: the stock (face-down cards, top left), the foundations (four slots, top right) and the tableau (seven columns below).

• Tableau cards stack in alternating colours, descending: the 8♥ only sits on a 9♠ or 9♣.
• An empty column only takes a K (or a pile led by a K).
• Foundations build up by suit from Ace: A, 2, 3 … K, one pile per suit.
• The stock flips one card to the waste; the top waste card can enter play. Passes are unlimited in this version.
• All four foundations complete to K, and you win.

How this version plays: tap a card, then tap its destination. Double-tap (or tap a card again) tries to send it to the foundation automatically; tap the stock for new cards; "New game" resets anytime.

1. Flip before you foundation. Buried cards are your only source of options. Delay every safe foundation move; get the face-down cards out first.
2. Work the long columns. The longest columns hide the most face-down cards — open their chains first.
3. Save empty columns for Kings. An empty column is precious. Do not park a King there without a payoff; when you do, move the longest pile you can.
4. Do not rush low cards up. A red 2 on the foundation sometimes needs to come back for a black 3. Leave small cards on the tableau.
5. Aces and twos always go up. There is never a cost — take them the moment you see them.