Zero Hour also contains 3 new campaigns of five missions each, one for each side, with their chronological order being USA first, GLA second, and China last. Zero Hour added several new abilities and units to each side, and a new mode of play called Generals' Challenge, along with a lot more changes, new features and bug/glitch fixes. Link For Serial Keys Subscribe for more!! Like & Comment! If you have any problems please report it to me and i wi.Ĭommand and Conquer: Generals – Zero Hour is the expansion pack for the 2003 video game Command & Conquer: Generals. Generals Zero Hour Change Serial Key West.