Here is the full list of all 12 CubeCubeRubik achievements.
Complete 2X2 Cube in 30 seconds
Finish 4X4 Cube!
Finish 3X3 Cube!
Finish 2X2 Cube!
Complete 3X3 Cube in 60 seconds
Complete 4X4 Cube in 90 seconds
Complete 2X2 Cube in Blind Mode
Complete 3X3 Cube in Blind Mode
Complete 4X4 Cube in Blind Mode
Complete 2X2 Cube in Blind Mode without light！
Complete 3X3 Cube in Blind Mode without light！
Complete 4X4 Cube in Blind Mode without light！