Klondike Solitaire : What is Klondike Solitaire? Klondike Solitaire is a solitaire card game. Many people refer to Klondike Solitaire as \"Solitaire\". How to play Klondike Solitaire? Put all the cards to the the upper corner. The rules are as follows: ✔ The upper right corner decks must follow suit, and must put from A - K; ✔ You can pile up the cards at the bottom, the cards must be put in alternating colours and in descending order of consecutive numbers; ✔ Only a K can be put at an empty column at the bottom; ✔ You can get new cards by clicking the deck at the upper left corner.