Microsoft celebrates 25 years of Solitaire with competition for employees, will open globally in June

Solitaire is a classic card game where users have to sort out a deck of cards which has been shuffled and arranged into seven piles, where the first card is open for the player to see.

In Solitaire version, that came with early Microsoft editions, users could set various difficulty levels. Those feeling nostalgic can download versions of the game from Microsoft Windows 8 store here.