Cheapest prices on The Grim Adventures of Billy and Mandy

The Grim Adventures of Billy and Mandy has a massive story mode containing a series of 40 missions. The story can be played on your own or can be play co-operatively with a friend. Working your way through the story mode has its benifits as you can unlock new weapons and even more characters to play as

The game also offers a battle mode which you can play with up to four players, where you fight each other untill your the last man standing. You battle each other in multiple destructable arenas using a variey of weapons.