Here is the full list of all 38 Sweet Lily Dreams achievements.
Defeat Maeleth.
Defeat Baba Yaga.
Defeat the Bone Dragon.
Defeat It.
Defeat Dracula.
Defeat the Headless Horseman.
Defeat Mr. Hyde.
Defeat Imhotep.
Defeat the Octophobius.
Defeat the Pyrophobius.
Clear the Swamps of Johns Island.
Purchase more than 25 pieces of furniture.
Decorate your house with certain pieces of Armoury furniture.
Decorate your house with certain pieces of Halloween furniture.
Decorate your house with certain pieces of Scholar furniture.
Decorate your house with certain pieces of Valentine furniture.
Collect 25 Accessories.
Purchase all of Lily's dresses.
Purchase all of Lily's powers.
Play 1 hour of the game.
Defeat 10 Phobius.
Defeat 100 Phobius.
Defeat 500 Phobius.
Travel to another dream world.
Collect all 12500 Points.
Hold over 25.000 Memory Orbs.
Unlock the secret of touching as few Healing Orbs as possible in the game.
You finished the game!
Complete all of Doctor Jekyll's alchemy tasks.
Aid Irving Brush in Sleepy Hollow.
Manually travel through the Hypercubex.
Complete the Hall of Puzzles.
Win all rounds of Thimblerig.
Acquire the Crafting Guild's Membership Badge.
Complete your first quest.
Bring Ocous and Vivien together.
Collect all 33 Accessories.
Finish the game on New Dream+ mode.