Play Pinochle with 12 unique computer characters each with their own playing style and varying skill levels. Both single and double deck games supported with customizable playing options below: Number of Decks: Single|Double. Sound Effects: On|Off. Game Speed: Normal|Fast|Slow. Undo Button: On|Off. Must bid to win: On|Off. Minimum Trick Points: 0|1|2. Minimum Bid: 15|20|25.