Call of Duty makers finally found an answer to a growing problem in the COD franchise. The only revenue a company used to collect from https://99ranks.com/ creating a video game was through initial sales of the game itself. Call of Duty games have traditionally been released in November, right before the holidays. Activision and other COD makers would see a huge boost in sales at the end of every year, but that’s it. So how can video game makers keep squeezing money from players during the entire year? The answer: supply drops.