Nintendo sold more than 3.5 million units of its flagship Switch 2 gaming system in the four days following its launch, with online stores of major U.S. retailers putting up “out of stock” signs.

Nintendo’s new Switch 2 console smashed sales records and raced off store shelves, with more than 3.5 million units sold in its first four days on sale. Major US retailers, including Walmart, GameStop,

With all of these stores, we've seen the Mario Kart World bundle available in greater quantities online than the base console, which costs $50 less. But given that Mario Kart is the Switch 2's biggest launch game and retails for $80 on its own, that may not be the worst thing.