Here is the full list of all 100 Cubic Figures achievements.
Complete level 2 on easy difficulty
Complete level 4 on easy difficulty
Complete level 6 on easy difficulty
Complete level 8 on easy difficulty
Complete level 10 on easy difficulty
Complete level 12 on easy difficulty
Complete level 14 on easy difficulty
Complete level 16 on easy difficulty
Complete level 18 on easy difficulty
Complete level 20 on easy difficulty
Complete level 22 on easy difficulty
Complete level 24 on easy difficulty
Complete level 26 on easy difficulty
Complete level 28 on easy difficulty
Complete level 30 on easy difficulty
Complete level 32 on easy difficulty
Complete level 34 on easy difficulty
Complete level 36 on easy difficulty
Complete level 38 on easy difficulty
Complete level 40 on easy difficulty
Complete level 42 on easy difficulty
Complete level 44 on easy difficulty
Complete level 46 on easy difficulty
Complete level 48 on easy difficulty
Complete level 50 on easy difficulty
Complete level 2 on medium difficulty
Complete level 4 on medium difficulty
Complete level 6 on medium difficulty
Complete level 8 on medium difficulty
Complete level 10 on medium difficulty
Complete level 12 on medium difficulty
Complete level 14 on medium difficulty
Complete level 16 on medium difficulty
Complete level 18 on medium difficulty
Complete level 20 on medium difficulty
Complete level 22 on medium difficulty
Complete level 24 on medium difficulty
Complete level 26 on medium difficulty
Complete level 28 on medium difficulty
Complete level 30 on medium difficulty
Complete level 32 on medium difficulty
Complete level 34 on medium difficulty
Complete level 36 on medium difficulty
Complete level 38 on medium difficulty
Complete level 40 on medium difficulty
Complete level 42 on medium difficulty
Complete level 44 on medium difficulty
Complete level 46 on medium difficulty
Complete level 48 on medium difficulty
Complete level 50 on medium difficulty
Complete level 1 on hard difficulty
Complete level 2 on hard difficulty
Complete level 3 on hard difficulty
Complete level 4 on hard difficulty
Complete level 5 on hard difficulty
Complete level 6 on hard difficulty
Complete level 7 on hard difficulty
Complete level 8 on hard difficulty
Complete level 9 on hard difficulty
Complete level 10 on hard difficulty
Complete level 11 on hard difficulty
Complete level 12 on hard difficulty
Complete level 13 on hard difficulty
Complete level 14 on hard difficulty
Complete level 15 on hard difficulty
Complete level 16 on hard difficulty
Complete level 17 on hard difficulty
Complete level 18 on hard difficulty
Complete level 19 on hard difficulty
Complete level 20 on hard difficulty
Complete level 21 on hard difficulty
Complete level 22 on hard difficulty
Complete level 23 on hard difficulty
Complete level 24 on hard difficulty
Complete level 25 on hard difficulty
Complete level 26 on hard difficulty
Complete level 27 on hard difficulty
Complete level 28 on hard difficulty
Complete level 29 on hard difficulty
Complete level 30 on hard difficulty
Complete level 31 on hard difficulty
Complete level 32 on hard difficulty
Complete level 33 on hard difficulty
Complete level 34 on hard difficulty
Complete level 35 on hard difficulty
Complete level 36 on hard difficulty
Complete level 37 on hard difficulty
Complete level 38 on hard difficulty
Complete level 39 on hard difficulty
Complete level 40 on hard difficulty
Complete level 41 on hard difficulty
Complete level 42 on hard difficulty
Complete level 43 on hard difficulty
Complete level 44 on hard difficulty
Complete level 45 on hard difficulty
Complete level 46 on hard difficulty
Complete level 47 on hard difficulty
Complete level 48 on hard difficulty
Complete level 49 on hard difficulty
Complete level 50 on hard difficulty