Help Phineas and Ferb defend their backyard from enemies in Phineas and Ferb in Backyard Defense Game. The inventor brothers are assaulted by a horde of swarming Doofenshmirtz zombies. Their own gadgety cannons will help them push the horde back – with your help. This Game is one of many web based games on Round Games for you to play online without downloading. Phineas and Ferb in Backyard Defense Game is one of the Strategy Games at Round Games. It also tagged as a cartoon and defense game. To play even more free games, view our most played and all games pages. If you want to play more games like this game: Then you can simply check out the games inside the game tags that are the most relevant to your interests or check the Strategy Games category or check the related games section at the end of the game page.
Also make sure to check out Craig of the Creek: Defend the Sewers Game, you may enjoy playing it.