were sold across the US.
"You could say we misjudged demand," said Jeff Bell, head of global marketing for Microsoft's games business, adding that Microsoft was hoping to "manage expectations".
"We're literally out of stock in many stores. We think this will have an impact on our sales," Bell said.
"Retailers have been really upset, they are on allocation. It is a lag I think we're seeing in January and that may continue into February, then as spring ramps up, we'll be able to meet that demand."
TechRadar has spoken with the Xbox team in the UK this morning, so stay tuned for an update on the stock and sales situation in the UK very shortly.