Crescent

Move all 104 cards onto the eight foundations, finishing each Ace-starting pile at King and each King-starting pile at Ace.

Two standard decks without jokers supply the cards. One Ace and one King of each suit are placed on the foundations automatically. The other 96 cards form 16 piles of six.

• Tableau: the playing piles, eight above and eight below the foundations. All cards are face-up here, but only the exposed card with nothing covering it can move.
• Foundations: the middle row has four Ace-up piles on the left and four King-down piles on the right.
• There is no stock or waste. Redeal rotates these existing piles rather than drawing new cards.

Moving between piles

Move one exposed card at a time onto a card of the same suit one rank higher or lower. A 6 of hearts can go on a 5 or 7 of hearts. The tableau wraps, so a King and Ace of the same suit can go on each other. Groups never move together, and an empty pile cannot be filled.

Choosing a foundation

An Ace foundation takes the next higher card of its suit; a King foundation takes the next lower card. Foundations stop after 13 cards and do not wrap. With two copies of each card, either copy can supply the next rank.

Rules specific to this version

The tableau is face-up throughout. Foundation cards cannot return to the tableau or transfer between foundations here. Wikipedia’s rules include transfers between compatible foundations. Use Undo before winning if you want to change a recent choice.

Use Redeal to move the bottom card of every nonempty tableau pile to its exposed top. All other cards retain their order; empty piles remain empty and a one-card pile stays as it is. You may use each of the three redeals even while another move is available. A redeal counts as one move; Undo restores both the cards and the redeal allowance.

All eight full foundations win the game. There is no points score here; elapsed time and moves are tracked. Moving one card or a whole group counts as one move.

An Out of moves notice appears when there are no legal tableau or foundation moves and no redeals left. You can still use Undo. The notice itself does not record a loss; replacing a started unfinished deal does.

Restarting, choosing a numbered deal, or starting a new game after your first move in an unfinished deal records that attempt as a loss. Undo alone does not record a loss. Deals are shuffled without checking that they can be won.

• Move cards: drag an exposed card with a mouse or finger to choose its destination. Click or tap to try its Ace-up foundation first, then its King-down foundation, then the first legal tableau pile in board order. Use a drag when you want the other available foundation.
• Undo: reverses the last action and restores the previous move count. Repeat it as needed before winning; it does not rewind elapsed time. Resume a paused game first.
• Pause: stops the timer and blocks moves until Resume.
• New game: opens a menu. Choose Random deal for a fresh layout or Restart current deal to replay the same starting cards. Both reset the move count and timer.
• Numbered deals and sharing: use Deal # to enter a deal number, or Share deal to copy its starting-layout link. Use the same game and rule settings to reproduce it.
• Saved data: your position, timer, Undo history, and statistics save in this browser when storage is available. Return and press Play to continue. Time away does not count. Clearing site data removes saves; they do not sync between devices.

• Inspect the bottom cards before a redeal. Those are the cards the rotation will expose, so use the allowance when it opens useful ranks.
• Compare both foundations of a suit before committing a card. This version does not allow transfers between foundations afterward.
• Avoid burying a needed foundation card under a reversible tableau move. A legal up-and-down move can simply undo your previous progress.
• Plan before emptying a pile. Clearing it helps expose cards, but that space cannot be reused.

Crescent takes its name from the arc traditionally used to arrange the surrounding piles. Read more on Wikipedia.

Try Forty Thieves for another two-deck game with single-card moves, or Alaska for same-suit building in both directions with movable groups.