Freecell Solitaire is an addictive and fun single player card game. It was invented by Paul Alfille who made the primary computerized version of it in 1978. Freecell is extremely dependent on expertise and almost every game can be won with best technique. There are just a few known deals that are unsolvable. This is what makes this game much more remarkable than other solitaries like Klondike where luck is a big factor.