Here is the full list of all 16 CUBEGRID achievements.
Complete level 10 successfully.
Complete level 16 successfully.
Complete level 31 successfully.
Complete level 41 successfully.
Complete level 50 successfully.
Complete level 60 successfully.
Complete level 70 successfully.
Complete level 80 successfully.
Get 3 stars in level 80.
Collect 80 stars.
Collect 160 stars.
Collect 240 stars.
Receive the Alchemy Bottle Cube.
Receive the Sushi and Sandwich Cube.
Receive the Crown Cube.
Recieve all Cube Skins.