The mechanics could be so much more. Chrono Boost could be a channeling ability that would cause the player to make some careful decisions about what's getting boosted, instead of a fire-and-forget ability that the player can just throw around. The Terrans could be gifted with the unique ability to manage their resources in highly dramatic ways, instead of "choosing" between three abilities that have no real tension. The Queen could be the ultimate addition to the hive cluster, having an important part in producing reinforcements and taking care of the hive, instead of just sitting at the base like a little housewife with nothing to do but knit all day.