Complete adventure mode

Collect all 49 plants in the game

Grow the Tree of Wisdom to at least 100 feet

Defeat your first Gargantuar

Bowl a winner with a friend in Co-Op Wall-Nut Bowling

Survive 40 waves of pure zombie ferocity

Plant your first 10 peashooters

Go on a 5 game winning streak in VS. mode

Blast 10 zombies at once with a Cherry Bomb!

Win any level after all 5 lawnmowers have been used

Go trunk diving and spend at least $25,000 on Crazy Dave's Twiddydinkies

Stop the horde using only the Sunflower, Wallnut, and Chomper on any level