Classic Solitaire known only as simply solitaire by some, and Klondike Solitaire by others is a crazy popular card game that is won by moving all cards in a single deck from the tableau to the foundation piles. So what exactly is classic solitaire? When generally when someone says the word solitaire, this version of the game is the first thing that comes to mind. The object of classic solitaire is to move all of the cards into the 4 piles in the upper right known as the foundation piles. That’s about all there is to a game of classic solitaire. However, the devil is in the details, so it can take a lifetime to master. We hope you enjoy playing!