Spider Solitaire is similar to other types of solitaire (klondike, patience, etc.). The goal of the game is to create 8 stacks of cards (king-through-ace). If all 10 foundations have at least one card, you may place additional cards by clicking on the "stock cards" in the bottom-right corner of the screen. This game with all the superb features, graphics, and animations that you would expect on your Mac :) FEATURES ? 1-Suit games ? 2-Suit games ? 4-Suit games ? Crisp, beautiful, and easy to read cards ? Efficient, fast, and sensible game interface ? Single click to place a card or drag and drop ? Standard Spider Solitaire rules and scoring ? Smart hints show potentially useful moves ? Custom backdrops ? Timer, moves, and statistics ? Unlimited undos ? Auto complete option to finish a solved game ? Global and friends leader boards ? Fun & challenging achievements ? Smart resizable game view (including full screen) ? Support Game Center ? Support Retina Display