The ZomBoss is a custom minigame. It has Peashooter, Sunflower, Cherry Bomb, Wall-Nut, Potato Mine, Snow Pea, Chomper, Repeater, Puff-shroom, Threepeater, Squash, Jalapeno, Spikeweed, Tall-nut, Blover, Pumpkin, Cabbage-Pult, Kernel-Pult, Garlic, Melon-Pult and Gatling Pea Zombies. And Dr. Zomboss has a peashooter head. It is a Night level with no graves. He takes 1,234 hits. It is a conveyor belt level. With: Peashooter, Cherry Bomb and Squash. You can type "trickdough" to get Melon-Pult and Chomper.