Solitaire games are a classic way to pass the time, and there are many variations to enjoy. One popular version is Klondike Solitaire, where the goal is to build four foundation piles up from Ace to King in suit. To play, shuffle a standard deck of 52 cards and deal out seven columns, with the first column containing one card, the second containing two cards, and so on. The top card of each column is face up, with the rest face down.

You can move cards between columns in descending order, alternating colors. For example, you can move a black 8 onto a red 9. If you empty a column, you can fill the space with a King or a sequence starting with a King. As you play, try to uncover Aces and move them to the foundation piles, then build up each foundation in suit.

Another popular variation is Spider Solitaire, which uses two decks of cards. The goal is to build eight sequences in descending order from King to Ace within the tableau. Unlike Klondike, in Spider Solitaire, entire sequences of cards can be moved as a unit if they are in descending order and of the same suit.

Pyramid Solitaire is another engaging option. In this game, cards are arranged in a pyramid shape, and the goal is to remove pairs of cards that add up to 13. Aces count as 1, Jacks as 11, Queens as 12, and Kings as 13. Once a pair of cards is removed, the cards above them become accessible. The game continues until all cards are removed or no more pairs can be found.

Regardless of the variation, solitaire is a game of skill and strategy, requiring careful planning and thoughtful moves. It's a great way to challenge yourself and unwind at the same time.