1.6 million units were sold during its launch month in the U.S., and 82% of buyers also got Mario Kart World.The Nintendo Switch 2 debuted in June to become the fastest-selling hardware ever in the U.S., shooting spending on games to new monthly records, according to the monthly report from Circana.Spending on hardware was up a whopping 249% year-over-year thanks to the console's debut, reaching $978 million and greatly surpassing the previous monthly record from June 2008 of $608 million. In to...