Play Klondike, Spider, Freecell, Pyramid, and TriPeaks. Plus, Daily Challenges. Solitaire remains the most played computer game of all time, and for good reason. Simple rules and straightforward gameplay makes it easy to pick up for everyone. If you like these solitaire games, make sure to check out Solitaire Paradise. It's a site with a lot more solitaire variations, and excellent versions of TriPeaks, Freecell, Klondike and all the other classics.