Pyramid Solitaire

In Baker's Dozen Solitaire, the cards are dealt into 13 piles, and all the Kings have been moved to the bottom of the piles. The player has to build the piles down regardless of suit.

Colorado Solitaire is a two deck solitaire card game played with 20 piles and 8 foundations. 4 foundations are built up and the other 4 are built down. Any cards may be placed on the piles.

In Fortress Solitaire, a single deck of cards is dealt into 10 piles, and the player may begin the foundations with any card. The piles may be built up or down regardless of suit.

Forty Thieves Solitaire is a two deck solitaire card game where the cards are dealt into 10 piles and the player may move the top card in any of the piles, or may deal a card from the stock pile.

Freecell Solitaire is another popular solitaire card game where the player uses empty cells to move cards in and out of while trying to build up the four foundations from Ace to King.

In Golf Solitaire, the player is building on a single foundation of cards and can move cards to the foundation building it up or down regardless of suit.

In Hamlet Solitaire, is a two deck version of Baker's Dozen Solitaire. The cards are dealt into 13 piles, with Kings moved to the bottom of the pile.

In Volcano Solitaire, is a two deck version of Baker's Dozen Solitaire where the cards may be built up or down in the piles, and half the foundations are built down.