Here is the full list of all 17 Whimsical Quest achievements.
Complete your first boss stage
Scholar Unlocked
Spirit Blazer Unlocked
Johntlet Unlocked
Flockman Unlocked
Complete the game in under 25 minutes.
Complete the game.
Adventure+ Unlocked.
Have 20+ critters at one time.
Have over 50 items in one run
What did you expect?
When I said retro, I meant retro.
Go unlock something.
Obviously
You persistent litttle hive of wax.
Complete Adventure Mode+3
Reach enemy difficulty 50.