Here is the full list of all 22 Wunderdoktor achievements.
Feed 50 delicious baked goods.
Finish Act 5.
Find a purpose for the Ghostly Jewel.
Finish Act 4.
Finish Act 3.
Finish Act 2.
Catch the bug.
Finish Act 1.
Find the first almanach scrap.
Your very first patient!
Find a purpose for the Cigarette.
Find a purpose for the Party Invitation.
Find a purpose for the Wedding Ring.
Find a purpose for the Chicken Leg.
Help the Ocean Detective with his first task.
Help the Ocean Detective with his second task.
Collect all Special Scraps for the Almanach.
Complete one entire page of the Almanach.
Complete the Almanach.
Play the game from start to finish without any patient deaths (except the first, unavoidable one).
Play the game from start to finish without taking any damage & without any patient deaths (except the first, unavoidable one).
Collect 100 Waxlings.