Mobs. You can't live with them, and unfortunately, you can't live without them.
They're a great source of entertainment, whether you're killing things for food, fun or material farming. They're not so fun, however, when they're shooting projectiles at you, walking off with blocks from your painstakingly crafted monuments or blowing you up.
Which are the ones to worry about? There are a number of different types of mobs and enemies in the game.
[h=2]Passive mobs[/h]
Full story from the WindowsCentral blog...