Full list of all 18 Plants vs. Zombies achievements worth 200 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Windows Phone.
All achievements
Achievements they've won
Achievements they've not won
Collect all 49 plants (including plants from Crazy Dave's shop).
Blast 10 zombies at once with a Cherry Bomb!
Beat all 19 mini-games.
Complete Adventure mode.
Defeat your first Gargantuar.
Defeat a normal roof level without using any catapult plants.
Go trunk diving and spend at least $25,000 on Crazy Dave's Twiddydinkies.
Hypnotize the lead dancer zombie.
Bowl over 5 zombies with a single Wall-Nut.
Complete a daytime pool level without using peashooters of any kind.
Complete a nighttime level without planting any Mushrooms.
Win any level after all lawnmowers have been used.
Stop the horde using only the Sunflower, Wall-Nut, and Chomper on any level.
Plant your first 10 peashooters.
Complete a daytime level by planting only Mushrooms and Coffee Beans.
Defeat 2 Gargantuars with Corn Cob missiles in a single level.
Get to a streak of 10 in I, Zombie Endless.
Get to a streak of 15 in Vasebreaker Endless.