Here is the full list of all 20 Monsters Love Candy (Windows) achievements worth 200 gamerscore.
Your promotions got you to level 30, incredible!
You have strengthened your Monsters.
You have won 50 multiplayer challenges!
Monsters of the world unite under you.
You have a gift for Legendary Monster taming.
You have evolved 200 Monsters!
You are a King among friends!
225 Stars, simply amazing!
You have looked off the edge of the Coastline.
Your matching skills have you on top of the pile.
So many Monsters, so much time!
Dedication has earned you this award.
Experiments with Boosts have raised your game.
You reached the Tundra, and saw an aurora!
Everything looks groovier in your world.
Friends come easy to you.
You have reached the sweet Desert sands.
All the stars are aligning for you.
Mythical Monsters? You got it in the bag.
You fed the first Monster you found in the Forest.