Foundations
How to Play Double Dot Solitaire

Double Dot deals with four foundation piles already holding a starting card and eight tableau piles of single face-up cards. Build each foundation by stepping two ranks at a time until every suit is stacked in its own pile.
Setup
- Four foundation piles start filled: two begin with an Ace and two begin with a Two, with each pair using one red and one black card
- Eight tableau piles are dealt one face-up card each
- The rest of the deck waits in the stock for a single deal-through
How to play
- Each foundation pile is limited to one suit; build it up by adding a card two ranks higher than the top card, wrapping past King until all 13 cards of that suit are stacked
- Cards move to the foundations automatically once they can't be built anywhere else on the tableau; you can change this behavior in Settings
- In the tableau, build down by two ranks in any suit, such as a 9 onto a Jack
- You can move a card, or a run where each card steps down two ranks, as a group
- Any card can start a new pile in an empty tableau spot
- Click the stock to deal one card onto every tableau pile; you only get one pass through the stock
- The top card of a foundation pile can be moved back into play if you need it
How to win
Objective: Move all 52 cards to the foundations
You win when all cards reach the foundations. You're stuck when the stock runs out and no more moves are possible.
Tips
- Plan ahead before dealing from the stock, since you only get one pass through it
- Create empty tableau spaces early to give yourself room to maneuver
- If you get stuck, remember you can pull the top card off a foundation pile back into the tableau
Play Double Dot free on Windows
CardTray is a free solitaire app for Windows that includes Double Dot alongside 300+ other games. It saves every move as you play, so you can close the window and pick the game up later, replay any deal, and take on a new Daily Challenge deal every day. Browse every game in the Game Gallery.
Related games
More games from the Foundations family:
- Mount Olympus — A two-deck game where odd-ranked cards (Ace, 3, 5, 7, 9, Jack, King) build separately from even-ranked cards (2, 4, 6, 8, 10, Queen), creating parallel sequences you must navigate between.
- Boulevard — A complex two-deck game with two separate foundation suites—one climbing from Ace and another from Two, each jumping two ranks at a time—giving multiple paths to victory.
- Calculation — A puzzle-like game where four foundation piles build by different increments instead of the usual by-one.
The tool for this — Game Gallery
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