Boss Monster Vault of Villains
The vault is open and the world of Boss Monster will never be the same! Boss Monster Vault of Villains features a treasure trove of gameplay variety. With Vault of Villains, you can combine any of your Boss Monster sets, from the original to Rise of the Minibosses. Keep your game balanced while creating endless gameplay combinations. So step into the Vault of Villains ..and become the ultimate Boss!