The challenge lies in a higher energy usage and all units are slowed due to coldness. The infected are less aggressive on this map, meaning that noise and death of other zombies will attract less attention. This map is built like the Dark Moorland in winter. Requirements: Finish the Peaceful Lowlands with a score factor of at least 60% to unlock. The lack of natural structures like forests results in many more walls used to defend the colony, leading to a large investment of resources early on when defending the colony. The challenge lies in a tighter zombie population and more Villages of Doom, even right next to your starting location. Has much more space than the Dark Moorlands, but the ground is only half grass, while the other half is made out of sand, on which you can't build farms. Requirements: Finish the Dark Moorlands with a score factor of at least 20% to unlock. The forest patches and small lakes reduces the number of walls needed to sufficiently defend the colony, making defence against waves early on much easier to deal with. Though the terrain impedes expansion, it is much easier to build defensive structures for the colony. Not a lot of free space, many small water patches. The basic map, which is unlocked right from the beginning.

Only the final waves spawns all special infected that are in the game, otherwise waves only spawn normal, fast and chubby infected. The ground is made of either snow, sand or grass, which influence certain game aspects. There are six unique map themes, each having their own weighted odds on world layout and resource values.Įach type is built out of patches made of wood, stone and water acting as natural barriers.

They are billions save file