Play Freecell Solitaire, a web version of the most popular solitaire game in the world.
If you are a solitaire enthusiast this is the perfect game for you!

Instructions

The goal is to build piles of the four suits from ace to king on the foundations.
Cards can be moved between the tableau piles to a card with the next higher value if it is of the opposite color.
Any top card can be moved to an empty cell or to an empty tableau pile.