Phineas and Ferb's latest creation, combined with Dr. Doofensmirtz' latest scheme, creates a giant gelatin monster. The monster kidnaps Candace, spawns many smaller monsters, and rampages around Danville. Now it's up to Phineas, Ferb and their friends to stop the bouncing behemoth, and it's gooey gremlins. Play as Phineas, Ferb, Isabella, and Buford, wield water blasters and soak your way through the town. Collect scrap to upgrade your weapons, to stop this low calorie catastrophe.