Spider one of the most popular solitaire games. Solitaire rules: Remove all cards from the board. From the board discarded decreasing sequences from King to Ace of the same suit. In columns you can collect decreasing sequences regardless suit. Cards of the same suit and in descending sequence may be moved. In an empty cell, you can put any card. Click on the deck adds row of cards. All empty spaces must be filled before a deal! Endless hints. Infinite undo.