Yukon Solitaire,free solitaire card game similar to Spider Solitaire. Played with one deck and four suits, the object of the card game yukon solitaire is to create four stacks of same-suited cards. Each stack of cards must start with a king, and descend to an ace to be completed and be removed from the card table. This Yukon Solitaire implementation has an undo button which lets you set your cards back to their previous state, and a high score.