Zombie Apocalypse Structure Update The world of Minecraft has been overrun by several kinds of zombies, each with their unique traits like strength, speed, or something else. In any event, if you see a zombie, run away. The Crawlers have been given new animations The Crawlers now have the same 9 varients as the walker Upon killing a Generic Walker they have a 50% chance of becoming a Crawler and a 50% chance of dying The Crawlers speed has been reduced as they crawl (Duh!) ....