Here is the full list of all 24 Heaven Forest NIGHTS achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Collect 10 mushrooms
Collect 15 mushrooms
Collect 30 mushrooms
Collect 50 mushrooms
Collect 10 apples
Collect 15 apples
Collect 30 Apples
Collect 50 Apples
Collect 1 quatrefoil
Collect 3 quatrefoil
Collect 6 quatrefoil
Collect 9 quatrefoil
Collect 1 crystal
Collect 3 crystals
Collect 6 crystals
Activate 3 souls
Activate 6 souls
Activate 12 souls
Reach the Meaning of Life
Collect 5 mushrooms
Collect 1 apple
Collect 5 apple
Activate 1 soul
Collect 1 mushroom