If you are one of those users who love to play cards, and above all have a weakness for solitaire, then take a look at Most Popular Solitaire (also known as Moposol). Its authors have collected into one program the 30 best solitaire games that exist.
Some of the games you can find in Most Popular Solitaire are: Klondike, Canfield, FreeCell, Eight Off, Spider, Scorpion, Pyramid, Yukon, Osmosis, Terrace, Crazy Quilt, Forty Thieves, Lady Jane, etc.
From all the games you will get statistics, and if they are sufficiently good enough to upload to the authors` website you can compare them with the best players from around the world.