Canfield Solitaire All Variants is a popular patience card game that was originally invented as a casino game. The main challenge in the game is to move as many cards as possible to the foundation. The game begins with the player being dealt 13 cards to a reserve pile with one card dealt to the first foundation pile which acts as the lead rank for the game. Further, one card each is dealt to four tableau piles. The remaining cards are set aside forming a stock pile which can be played to a waste pile one or three cards at a time. Once all cards are played to the waste pile, it can be moved back to the stock pile for further redeal from stock to waste.

Canfield Solitaire All Variants offers six different variations of the classic game. Each variant has a unique set of rules and challenges. The game has a clean interface and allows players to save their game state to play later. Additionally, it has an unlimited undo feature and game play statistics. Overall, Canfield Solitaire All Variants is a great choice for anyone who enjoys a challenging and entertaining card game.