This level introduces the Zombie Fighter. He will fire many bullets at the plants and potentially the house. While they do not do much damage, many can penetrate through defenses. In addition, he will loop back to the start if not defeated. It's recommended to use Pineapple, as it can deflect his projectiles, as well as provide defense in the air.
Zombies come in fast, so be prepared and put out some plants quickly. The zombies are Level 3, so plants should be right around that level as well. Zombie Fighters can give a little trouble, but with leveled up plants, it should be no problem.
Gosh, I can grow leaves!
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