Here is the full list of all 21 Pocket Mirror ~ GoldenerTraum achievements.
Get the dead end in Sugary Supper.
Get the dead end in Fleta's Dollhouse.
Get the dead end in Harpae's Secret Manor.
Get the dead end in Lisette's Midnight Circus.
Get the dead end in Harpae's Nuit.
Get the dead end in Unknown Corridor.
Get the dead end in Lisette's Cereberus.
Reach Bad End No. 1 ~ Porcelain.
Reach Bad End No. 2 ~ Blindness.
Reach Normal End No. 1 ~ Platinum.
Reach Normal End No. 2 ~ Dawn.
Reach Normal End No. 3 ~ Little Goody Two Shoes.
Reach Secret End No. 4 ~ Shattered Delusions.
Reach ??? Ending ~ Witching Hour.
Acquire all pumpkin charms.
Meet every pumpkin.
Gather and listen to all wax records.
Read all parts of the Liebesbrief.
Acquire all Regalias.
Find Egliette's secret room in Sugary Supper.
Find Henri's hidden room in New Game+.