Halo Campaign Evolved is a celebration of the franchise, but not many people are attending that party. New estimates peg sales at 1.2 million copies sold across PC, Xbox Series X|S, and PS5 so far, around $67 million in revenue, which isn’t the best start for this remake of the original Halo campaign. Also available via Xbox Game Pass, the game is estimated to have 2.1 million players through the subscription service. According to Alinea Analytics’ head of market analysis,…