Tower-inator

 is a Phineas and Ferb online game.

Plot
Phineas and Ferb want to contact aliens so they order some satellites but it turns out the satellites are actually evil robots created by Dr. Doofenshmirtz! It's Perry's mission to destroy the robots before they are activated.

Usable Gadgets

 * Blue Bowling Ball: The hardest usable gadget in the game.
 * Exploding Pineapple: When it hits something, it explodes.
 * Boomerang: You can use it to attack the tower from behind.
 * Robot Mole: You can use it to attack the tower from underground.
 * Freeze Ray: The part of the tower where you hit with it gets frozen, making it easier to attack it with other gadgets.

Allusions

 * Angry Birds - This game is an obvious parody of Angry Birds: the use of catapults to destroy a tower and enemies in it is similar to Angry Bird's objective to eliminate the pigs.