What are the rules for playing Pinochle with a double deck of cards?

In Pinochle with a double deck of cards, players use 80 cards instead of the standard 48. The rules are similar to regular Pinochle, but with more cards in play. Players still aim to score points by winning tricks and melding certain card combinations. The game is typically played in partnerships, with each player receiving 20 cards. The scoring and gameplay mechanics remain the same, but the increased number of cards adds complexity and strategic depth to the game.