Here is the full list of all 32 Guilty Hell: White Goddess and the City of Zombies achievements.
Achieve 100 combos.
Leave the Fairy Forest.
Defeat the Sandworm.
Defeat the red witch.
Defeat Bosschamp.
Defeat Gluttonous Mummy.
Save the fairies at the lab.
Defeat ChibiGori.
Defeat the Destroyer.
Defeat Meryuzine.
Defeat the Thugs.
Defeat the Misteltein.
Defeat the Powered-up Destroyer.
Defeat Eleanore.
Obtain the Magic sword.
Defeat the Madman-G.
Reach the costume room.
Defeat Mistina.
Enter the special room.
Complete Enemy Data.
Release all elements of the Training Grounds.
Map achievement rate is 100%.
Purchase all items from "Trade".
Learn all skills.
Collect all treasures.
Obtain all special items.
Save 1000 gold.
Achieved level 20
Destroy all Goldstones.
Take a bath with Noir Griese.
Apply "Meryu kiss" to Melusine
Read the Chieftain and Nana's epigraph.