(This article was based on this Wikipedia article). Pretty Good Solitaire is a game for Microsoft Windows which includes over 600 varieties of the card game solitaire. The most recent version, 12.0.0, was released on October 25, 2007, contains 700 games and uses 24-bit graphics. The game was created by Thomas Warfield, who has invented some of the varieties of solitaire featured in the game, and is marketed via shareware.