Microsoft Solitaire 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. Solitaire has been part of Windows for more than 30 years, and The Microsoft Solitaire Collection makes it the best experience to date with five different card games in one.