Prefabs Prefabs are anything not randomly generated by the map. They can range from a small farm patch to huge skyscrapers. Aircraft Carrierby NazA hybrid open style and dungeon crawl. The ground level starts at deck 8 (13 total) it has many ways to enter. LinkPVE Arenaby NazThere are 3 versions, 1 has more advanced electrical features with automated “pit” doors that open to release the zeds into the combat area. Link