Adventure Mode

Adventure Mode, the only mode available from the start of the game, is basic levels one after another. A new plant is awarded at the end of most levels. There are five groups of ten levels, which are Day, Night, Pool, Fog, and Roof; each with their own characteristics.

Overview
In Adventure Mode, you start out with only a Peashooter, the basic type of plant available. The fifth level in each area will be a Bonus Level, which will be a Minigame. The 10th level of every stage is a Conveyor-Belt Level. Every 5th level, except for Level 5-5, is later unlocked as a Mini-game or Puzzle Mode level. During an early Pool level, the Mini-games mode will e unlocked, and Puzzle Mode will be unlocked during Fog level 4-6.

Replaying Adventure Mode
Once Adventure Mode has been beaten once, the Silver Sunflower Trophy is obtained, more M

ini-games and Puzzle levels are unlocked, and Survival Mode is unlocked. There is an option to replay Adventure mode; however, Crazy Dave will choose 3 seed packets in your seed slots every different level, of which can't be replaced or removed, but can be altered. Crazy Dave levels will be replaced with their corresponding Mini-game or Puzzle Mode counterpart, and a sack containing $250 coins will be dropped by the final zombie each level instead of a seed packet or item, though notes are still dropped. While replaying Adventure M

ode, the Zombie Yeti can be found in level 4-10. Almost every level has an extra flag, with a few exceptions, like 2-5 and 5-10. The game will only record the number of times you complete adventure mode up to 2,147,483,647, after that, the game cannot store the value of the number of times you completed adventure mode.

Basic Area Overview

 * At the end of 1st through 3rd levels, a new seed packet is obtained.
 * At the end of the 4th level, an item is obtained.
 * The 5th level is a Minigame, and a seed packet is obtained at the end of it.
 * A note from the zombies is obtained at the end of the 9th level.
 * The 10th level is a Conveyor-Belt Level, and a seed packet that is important for the next area is obtained at the end of it.

Notes from the Zombies
The zombies leave notes on occasion with bad handwriting and spelling (except the one from Zomboss). There's also a zombie note in Help on the Main Menu.