Here is the full list of all 26 Heaven's Hope - there are Special Edition achievements.
Game completed
Bring the airship into position
Get Greta a new identity
Defeat the demon
Find Michael's sword
Visit all locations
Complete the game without stealing any objects
Escape from jail
Use Anselm 3 times
Talk to every character
Build the flying machine
Find all parts for the flying machine
Get rid of the ghost in the mill
Have Bill distill alcohol
Collect all tickets
The blueprint is complete
Use the mouse 3 times
Create Anselm
Drive away the goat
Use the Angel's breath 3 times
Find the professor
Don earthly attire
Resuscitate the mouse
You've got your halo back!
Grimace 3 times
Steal an object