Here is the full list of all 16 Organic Panic achievements worth 1,000 gamerscore.
Win 100 Versus Games
Smash Through A Kiloton Of Ground With Cherry
Complete every level in Coop mode
Complete the entire game (Adventure, Bonus & Coop)
Run a Veggie Marathon
Swim A Mile
Get 100 Gold Stars
Collect 100 Crystals
Complete every level in Bonus mode
Complete every level in Adventure mode
Drop 10 Enemies Into Oblivion
Fry Up 15 Meats
Take Out An Enemy With Their Own Weapon
Drown 20 Enemies
Squash or Crush a Cheese
Smash 5 Enemies in Cherry's Rage Mode