Pro Fortress Solitaire card game is a varient of Fortress Solitaire modified to be more challenging for players who have mastered the standard version of Fortress Solitaire.

Hamlet Solitaire is a freeware solitaire card game for the Windows PC. Hamlet Solitaire is played with 2 decks, and is similar to Baker`s Dozen Solitaire. 104 cards are dealt into 13 piles of 8 cards. The top card in these piles may be moved.