The unstoppable duo returns in Phineas and Ferb: Day of Doofenshmirtz, a brand new adventure made exclusively for the PlayStation Vita! The diabolical genius Doctor Doofenshmirtz has created a device that turns household appliances into evil robots! As Phineas, Ferb, or Perry, it's your mission to defend the world from enemy washing machines, aggressive microwave ovens, and other household appliances in an enjoyable adventure that takes you from the characters' neighborhood to the center of the Earth.