Activision Blizzard has announced that Diablo 4 has made $666 million in sales just in the game's first five days on sale. The number is likely adjusted a little to fit Diablo's Satanic themes, but it's an impressive milestone nonetheless.The news comes a week after Blizzard announced that Diablo 4 is its fastest-selling game ever in its long and storied history, so it makes sense that it managed to make so much money.Unfortunately, the publisher still hasn't revealed any hard sales numbers. The $666 million is based on sell-through, meaning copies sold to customers and not simply shipped to retailers. More interestingly, it does not include any microtransaction sales - which Diablo 4 has plenty of - so the game's actual revenue is likely a lot higher. Read more