There"s a whole lot of stuff to do during the last week of summer vacation and Phineas and Ferb want to do it all! Join these charismatic brothers of invention as they create, travel and explore in their quest for artifacts to fill out the Museum of Cool. Perry the pet platypus, aka double Agent P, has their backs when bumbling villain Dr. Doof enshmirtz unleashes his latest obscure "-inator" devices designed to take over the entire Tri-state area! Play as Phineas, Ferb, and Perry/Agent P as you interact with supporting characters from the show including Dr. Doofenshmirtz, Candace, Isabella, Buford and whiz kid Baljeet. Play in either Exploration Mode or Action Mode. Build and play in the A.T.T. (All-Terrain Transformation Vehicle). Upgrade the A.T.T. by assembling new parts like pinchers, drills, rocket boosters and headlights that you need to access new areas. Customize it with colors, sounds, and decorative parts.