AcidSolitaire is an updated, full-featured version of the traditional solitaire game. Games are ranked by difficulty level. Includes one-deal and three-deal games. Intelligent auto-card movement and hint system. Undo and redo every move made. Card style selections have a clean, easy-to-read design and automatically adjust to your preferred screen size. Game can be maximized to full screen or played as small as a gadget using keyboard arrow keys. Game is automatically saved where you left off so that you can resume at any time. Includes default backgrounds that can be customized with your personal digital photos.