Here is the full list of all 21 ManaCollect achievements.
All mine!
Completed all achievements in ManaCollect
Cleared Chapter 1
Cleared Chapter 2
Cleared Chapter 3
Cleared Chapter 4
Cleared the Dungeon
Cleared 100 layers
And the new champion is...
Welcome to the multidimensional chamber!
Down in one
Seized them all under pressure
Completed tournament under special rules