Zombies Enemy: Regular Zombie, Conehead Zombie, Bungee Zombie, Buckethead Zombie, Pole Vaulting Zombie
Recommended Plants: Sunflower, Flower Pot, Potato Mine, Pumpkin, Starfruit, Chomper, Repeater, Torchwood, Cherry Bomb
Reward: Kernel Pult
We should note that for rooftop stage, your straight shooting plants cannot attack when they are on the slanted side, they could indeed attack if they are on the fifth middle row. Start the stage with standard sun production while buying yourself time with potato mines.
Start setting up flower pots to have more plants in the stage. Plant a couple of repeaters with torchwood and your fireball will destroy every single zombie that comes across in this stage.