Gardensdale

Gardensdale is the first world in Plants vs. Zombies:What in the World? Again. It features 3 new Plants, 1 returning Plant, 1 new Zombie, and 3 returning Zombies.

Level 1
A basic level, with the Browncoat Zombie, Conehead Zombie, and Buckethead Zombie returning from the tutorial.

Level 2
Another basic level. Upon completion, Spy-Conifer is earned by Trent.

Level 3
A basic level introducing the Bricked Zombie, which has high defense and slow speed and attack. As the zombie takes damage, it's speed and attack increase and it's defense decreases at certain points.

Level 4
A level where Plants are pre-chosen. These plants are Sunflower, Wall Nut, and Lobbing Tickseed.

Level 5
A normal level which rewards Trent with Lobbing Tickseed upon completion.

Level 6
This level introduces the Pole-Vaulting Zombie.

Level 7
This level has a conveyor belt which delivers Wall Nuts and Elf Aloes. This level introduces the Zombotany Peashooter and Zombotany Wall Nut.

Level 8
A normal level that rewards Trent with Elf Aloe upon completion.

Level 9
A normal level.

Level 10
This level introduces the Pea-Mech as a boss, with multiple stages of health. At stage one, it fires a pea that deals massive damage on one lane and hops around the field. At stage two, it hops less and lower and fires peas down three lanes at once. At stage three, it stops moving and lobs peas that land on the field in any lane. This level features a conveyor belt that delivers all plants previously unlocked.