Here is the full list of all 10 Kinectimals Unleashed (Windows) achievements worth 200 gamerscore.
Gold medal in half the Challenges
Collected half of the toys
Collected half of the pets
Fully explored Villeria Island
Fully explored Mira Island
Best. Pet. Ever.
Fully explored Lemuria Island
Reached Trainer Level 25
Did a Daily Challenge with cats and dogs
Tried every kind of Free Play session