If you do not have multiple decks ready for play do not fret, two player solitaire with one deck is not only possible but is a fun and unique way to play solitaire with a friend. Variations of these rules can be added to make for a more interesting and competitive game. If you are looking for the best way to play solitaire for two players, this may not be an ideal method. However, this method requires multiple decks of cards and feels more like two people playing their games. If you have a deck for each person, this style of play is scalable. This style of solitaire can be played by many people at one time. This method is very easy to implement and adds a level of competition to the traditionally solitary game. The player who finishes their game first and with the fewest moves wins. Each player will play simultaneously with their deck. Simultaneous solitaire requires a deck of playing cards for each player.
The first option is simple and can be played easily if you are already familiar with traditional solitaire.
Depending on how many decks of playing cards you have, you can play a few different versions of two player solitaire. Solitaire can be played with multiple players in a variety of different ways. How to Play Simultaneous Solitaire using Multiple Decks