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Get ready for one more incredible venture with Phineas and Ferb while playing this exciting Down Perry-Scope game! This time the two smart brothers came up with a new idea of building a submarine. With the help of Agent P, they plan to use it against Dr. Doofenshmirtz's evil scheme! They are eager for you to join their dynamic team and assist them in the battle against the forces of evil!
Currently, the boys want to test the submarine out in their backyard lake. This is somehow disturbing to their sister, Candace, who is trying to sunbathe and relax on her airbed. However, the smart brothers and their secret agent pet are on a critical mission, and they have to do everything in their power to overcome the situation!
Help Phineas, Ferb and Agent P to stop Dr. Doofenshmirtz's cunning plan of capturing all the fish from the lake with his evil suction vortex device! The evil doctor plans to sell all the fish to get a considerable profit! You can stop him by descending Agent P from the submarine to the bottom of the lake so he can collect the sponges from the crabs and use them to clog the vortexes up! You must be extremely careful and focused at all times because this mission requires a lot of skill and precision.
Use your left and right arrow keys to tilt the submarine up and down. You need to make all the right moves in order to win! You should use the spacebar to change the direction of the sub when you consider it necessary. Use your down arrow key to drop Agent P to the bottom of the lake and grab the sponges or drop them into a vortex when you get close to one. You have to protect the fish and clog those vortexes up really fast if you want to save all of them! If all the fish are sucked into the vortexes, the game will be over.
Avoid the rocks, mines, and jellyfish because they are dangerous and can get you further away from your goal. Also, try not to disturb Candace because you don't want her to find out about the secret mission and tell her mother! Use your up arrow key to inform Ferb that he should press the button to release the gas from the engine if you want to attain a higher speed.
If you enjoy playing Down Perry-Scope, you might be excited to find out that there are 48 more Phineas and Ferb games you can try! The most popular is Hoverboard World Tour, and the most recently added is Titans on the Track