Here is the full list of all 21 ManaCollect achievements.
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
All mine!
Seized them all under pressure
Completed tournament under special rules