The Siege

The Siege is a chapter in Plants vs. Zombies: The Cure. It has 33 new plants, 21 new zombies, 6 gimmicks, and 1 boss fight. It introduces 2 new buildings, the Generator and the Greenhouse, and is completed when the player defeats Dr. Zomboss's Zombot.

Storyline
The player, having come to Crazy Dave's house in The Coming, is under siege from Dr. Zomboss. They are introduced to the Greenhouse, learn how to breed plants, and when Dr. Zomboss finally comes in his Zombot, the player defeats him. Dr. Zomboss then limps away, telling the player that if the player does not submit within 24 hours, the Zombie Virus will be released upon Suburbia.

New Plants
There are 33 new plants, which are the non-upgrade plants from PvZ. They are all given at the start, and the player is taught how to use them by Crazy Dave.

New Zombies
All PvZ zombies not in The Coming are introduced here, with Crazy Dave pointing out their weaknesses and abilities.

Environment Modifiers
There are six environment modifiers, which are encountered in this order: Night, Graves, Non-Plant-Able Surfaces, Water, Fog, and Slopes.

Trivia

 * It is the last chapter in which Crazy Dave is still human and insane.
 * It is the first chapter to have Dr. Zomboss in it.
 * The others are The Zombie Lab and The Cure.