Goal
Move all cards to the single foundation.
How to play
The foundation (the Black Hole) builds up or down by rank ignoring color and suit, wrapping around from King to Ace and from Ace to King.
There is no building on the tableau piles, and spaces are not filled. Only the top card can be moved.
Playing tips
Plan carefully - one wrong move and you may never
be able to untangle the mess.New to solitaire? A few useful terms
Game-rule reference adapted from PySolFC documentation, licensed under GPL v3 or later. References describe the game’s mechanics.