All the Achievements descriped here the order i got them.
In this list are also missable achievements, they are marked.


Escape the House
You have to get back your keys from your mother. You have to lower the temperature in the closet and give her the winter boots from your room, now she will change the temperature on her own and you can get your keys and get out of the house via the front door.




Missable Achievement
Ghost Investigator
You can get this achievement only after you got the "Escape the House" Achievement. Talk to your mother about the Diorama, She will tell you about Peppers Ghost. After you got the ladder from outside bring it into the library and use it with the shelf. Use Peppers Ghost from your inventory with the shelf. You will get a book about Dioramas and the Achievement.




Anicent Challenge
This will appear after you made the Diorama work again, you need the lighbulb from the closet, the lampshade from the library and the battery from the clock in your room.




Fathers Gift
You have to craft the Key which is inside the gift from your father. You will find some gold in the well outside the house. When you are outside, use the gift with the "Lighnings and Thunder" After you found the secret entrance you can melt the gold in the laboratory and put it in the gift.




Missable Achievement
Experiment gone wrong
After you escaped from under the stage in the theatre, take a look at the stage. Achivement pops up.




Extingusher
You will get a pipe after you gave the banana to the Ape in the Theatre, use this pipe with the pump in the Oven Room.





Missable Achievement
Gear Upgrade
You will be in a room where you have to put Dias into different projectors. After that you have to use a desk and change to the right symbols. a machine will come out in the middle of the room. A Maser will be there two. Use it with the cylindrical slot to get the Achievement.




At Sea
After you arrived on the Ship, go to the bridge and after you used the steering wheel, the Captain will arrest you.





Darwins Award
After you escaped the cell a second time, Unger will guard it. Play Dame with the Donkeyman and he will bring up hay. Now close the porthole and talk with the Doctor, She will bring Unger to the Hospital.




Animals Outsmarted
Anna will find some pills in the cell in the first aid kit. Show them to the Doctor, she will tell you the pills are placebos. Now give them to the Donkeyman. The Donkeys will move now.




Research complete
When the Donkeys moved, there will be Something in the hay. Its the Captains Log. Take it and get the Achievement.




Thomas Eberling saved
After you are back in the laboratory you have to beam Thomas in. Update Darwin with a new maser, and go back upstairs. Thomas will be brought there and Darwin is damaged.




Father
Enter the Zeppelin via the book in the laboratory.




Book is closed
Finish the game.