This is of an early alpha build and is only meant to give you an idea of how this will affect the game. It doesn't represent the current state of the game.
A quick look The War Z's building and jumping mechanics. If you're looking to set up a base somewhere, the game features placeable barricades that you can set up to repel attacking zombies and even as cover from enemy players.
Curious about The War Z? Find everything you need to know onhttp://www.warzwiki.com.