Classic and simple Spider Solitaire card game, just like the one you'll find built-in to Windows. Three difficulty levels: ♠, ♠+♥, ♠+♥+♣+♦. Customizable themes: Theme color changes with selectable card-back and background images. Magical items: Extra Slot, Force Move, and Swap Card. Global ranking: Compete with players worldwide. Smooth gameplay: Single-click dragging, double-click fast moves, keyboard/gamepad support, and built-in key remapping options. Auto save/load: Quit and return at anytime you want! Unlimited undo & redo: Full undo & redo capabilities even if you quit game in the middle! No penalty if all undo moves are recovered with redo moves! Challenge high score players: Can you beat the high scores with the same card set? Watch replay and beat it: You can replay any game you ever played and try it over & over again. Never give up on a promising game! Endless mode: The game will never finish until you empty the bottom right pile of cards. Hit your best score with no limits! Boss mode: You can play this game safely in this mode even if your boss comes around frequently! Bonus Score: Flip Streak, Collecting Cards Right After Issuing, Collecting Cards In Row...Every hardcore operation brings you extra bonus score! Music Player: Play or pause, playing in different modes like loop, shuffle, or play in order.