Here is the full list of all 72 Cube Escape Collection achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
The Mill - Eight
The Cave - Eight
Arles - Eight
The Mill - Five
The Cave - Seven
Birthday - Six
Birthday - Four
Birthday - Eight
Birthday - One
Seasons - Seven
Theatre - Six
The Mill - Seven
The Cave - Five
Seasons - Eight
Seasons - Six
Case 23 - Eight
The Lake - Seven
The Cave - Four
The Cave - Two
The Cave - Six
The Cave - Three
The Cave - One
Harvey's Box - Eight
Case 23 - Five
Theatre - Eight
Theatre - Seven
Theatre - Five
Theatre - Three
Theatre - Two
Theatre - One
Theatre - Four
Birthday - Seven
Birthday - Three
Birthday - Two
Birthday - Five
The Mill - Four
The Mill - Three
The Mill - Six
The Mill - Two
The Mill - One
Case 23 - Four
Case 23 - Three
Case 23 - Two
Case 23 - Six
Case 23 - One
Case 23 - Seven
Harvey's Box - Six
Harvey's Box - Five
Harvey's Box - Seven
Harvey's Box - One
Harvey's Box - Two
Harvey's Box - Four
Harvey's Box - Three
Arles - Three
Arles - Two
Arles - Seven
Arles - Four
Arles - Six
Arles - Five
Arles - One
The Lake - Six
The Lake - Eight
The Lake - Five
The Lake - Two
The Lake - Four
The Lake - Three
The Lake - One
Seasons - Four
Seasons - Three
Seasons - Two
Seasons - Five
Seasons - One