ACHIEVEMENT - HOW TO UNLOCK Home Lawn Security (25 points) - Complete adventure mode. Master of Morticulture (25 points) - Collect all 49 plants in the game. Smarty Branches (15 points) - Grow the Tree of Wisdom to at least 100 feet. Crash of the Titan (10 points) - Defeat your first Gargantuar. ZFF's 4 Evr (20 points) - Bowl a winner with a friend in Co-Op Wall-Nut Bowling. Alive and Planting (25 points) - Survive 40 waves of pure zombie ferocity. Soil Your Plants (10 points) - Plant your first 10 peashooters. Versus vs Versus (15 points) - Go on a 5 game winning streak in VS. mode. Explodonator (20 points) - Blast 10 zombies at once with a Cherry Bomb!. Close Shave (15 points) - Win any level after all 5 lawnmowers have been used. Shopaholic (10 points) - Go trunk diving and spend at least $25,000 on Crazy Dave's Twiddydinkies. Nom Nom Nom (10 points) - Stop the horde using only the Sunflower, Wallnut, and Chomper on any level.