Below are the latest Nintendo products that can be currently pre-ordered at retailers: * Save 20 percent on pre-orders with Amazon Prime or Best Buy’s GCU. 20 percent off pre-orders on Amazon Canada as well. On Amazon UK, it’s £2 off. United States Switch Puyo Puyo Tetris – Amazon, Best Buy, GameStop Mario Kart 8 Deluxe – Amazon, Best Buy,...