Solitaire Plus! 3.0

Solitaire Plus! is a collection of solitaire games for Mac OS X. Features include unlimited undo/redo, up to 2 billion unique deals, use of any image as a game background or card back, statistics, and a unique smart-dragging feature.
Solitaire Plus!

includes several challenging variations of solitaire including the Klondike, FreeCell, and Spider favorites.
The download offered here is a limited-feature demo. All registered users: Please use the Help | Check for Updates menu item in the game to upgrade.