Photo: Xbox / Kotaku / Amy Sussman (Getty Images) Xbox Game Pass has slowly become one of the best deals in video games, offering players a large library of new and old titles across PC and Xbox at a pretty decent price. And now Microsoft has started tossing in surprise games, like Generation Zero and Townscaper, with no announcement or teaser, making for pleasant surprises when checking what’s on Game Pass each week. (Spoilers! -Ed.) Yesterday, Microsoft announced all the new games coming to Xbox Game Pass this December. It’s a good list, featuring some big games and bangers, including Halo Infinite and Stardew Valley. Yet, if you log in…