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