New variant

Black Hole Solitaire

All 52 cards are dealt into 17 piles of three. The Ace of Spades starts the Black Hole. Play any pile’s top card onto the Black Hole if it is one rank above or below the current top — suit does not matter, and the rank wraps (Ace and King are adjacent). Send every last card into the Black Hole to win.

Seed: 351Moves: 0Timer: 00:00Status: In progress

Click any top card to play it on the Black Hole.

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Why Black Hole is addictive

The rules are minimal, but each rank choice changes the shape of the entire board. Black Hole is one of the cleanest examples of solitaire depth from a very small ruleset.

Core idea

Build a single central sequence by playing visible cards one rank up or down from the current Black Hole top, with Ace and King treated as adjacent.

Strategy tips

  • Look several moves ahead before consuming a bridging rank, because one bad branch can strand many piles.
  • Since suits do not matter, the game is about preserving rank adjacency options across the whole layout.
  • Undo is especially useful here because the best line is often only obvious a few steps later.

Need more detail? Read the Black Hole strategy guide.