Earlier this year, Microsoft announced it would celebrate the 25th anniversary of adding the free Solitare game to Windows 3.0 with a Microsoft Solitaire Collection tournament. Now, the Windows 8.1 version of the game has added the 25th Anniversary Star Club Collection, which has all of the challenges of the recent tournament.
Microsoft has also announced a contest for US residents centering on that new Star Club collection:
The official rules can be read at the game's official Facebook page.
Get the Windows Central Newsletter
All the latest news, reviews, and guides for Windows and Xbox diehards.