This is one of the most popular 2-deck solitaire games. It's a challenging game to win. The easier variations using only 1 or 2 suits make more maneuvering possible.
Two decks of cards
Object: Play all cards to the foundation.
Tableau: 10 piles.
Rank is built down. Cards can be any suit.
If a pile is empty, you can play any card.
You can pick up and play a group of cards in sequence. Cards must match the same suit.
Stock: Holds the 50 undealt cards.
Plays one card face up to each tableau pile.
The stock can not play to the tableau if any piles are empty.
Foundation: 8 piles.
You can only play a fully assembled ace-to-king sequence of cards. Cards must match the same suit.