Solitaire has been a Microsoft mainstay since Windows 3.0, and now its newest version, Microsoft Solitaire Collection, has hit more than 100 million unique users. This comes about a year after Microsoft celebrated Solitaire's 25th anniversary.
Microsoft released some facts about Windows Solitaire on the official Xbox website, where we learn that an average of 55 million games of Microsoft Solitaire Collection are played every day. On top of that, through the game's Xbox Live Achievements, players have earned more than 1.3 billion Gamerscore. Microsoft also claims that Solitaire in general is "one of the most played games of all time on any Windows OS."
