http://www.gamepro.com/article/previews/221494/is-dead-island-the-next-great-zombie-game/
#1 on To Do List: Stay Alive
Instead of following a rigid script or storyline, the anarchy unfolds primarily via numerous quests you can choose to accept or turn down.And unlike some open-world games, there's much more to Dead Island's missions than going from point-A to point-B.