Answer: Solitaire games have been a favorite pastime for decades, offering both relaxation and mental challenge. The best solitaire games to play online include classic Klondike, Spider Solitaire, FreeCell, Pyramid Solitaire, and TriPeaks. Each game has its unique rules and strategies, making them enjoyable for players of all skill levels. Online platforms often add features like daily challenges, multiplayer modes, and customizable themes to enhance the experience.